Two critical vulnerabilities impacting MLflow, an open-source artificial intelligence (AI) platform, and FUXA, an open-source, web-based SCADA / HMI software built for operational technology (OT) and industrial automation, are witnessing malicious scanning and exploitation efforts. According to independent reports from watchTowr and VulnCheck, the vulnerabilities in question are as follows -
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Cybersecurity researchers have disclosed details of a remote Spectre attack against Cloudflare Workers that leaked a JSON Web Token (JWT) from a co-located Worker in the production environment at up to 12 bits per second, 360 times the rate of an earlier attack demonstrated in 2021. The end-to-end experiment used an attacker Worker and a victim Worker controlled by the researchers,
Cybersecurity researchers have flagged a global cybercrime operation that abuses thousands of hacked WordPress websites as infrastructure to disseminate malware, commandeer infected hosts, store stolen documents, screenshots, and activity logs created to track the status of the activity. "The operation doesn't rely on a single piece of malware, but on a whole toolkit of criminal software
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added four critical vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, stating they are being exploited in the wild. The shortcomings added to the KEV catalog are listed below - CVE-2026-65400 (CVSS score: 9.8) - An improper authentication vulnerability impacting Apple macOS that could allow an
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Wednesday, August 19
So happy to finally release AWSHound with [**Daniel Heinsen**](https://www.linkedin.com/in/daniel-heinsen/). Its been a labor of love for the last 6 months and I can't wait to hear how the community uses it! If you haven't heard AWSHound is a free, self-hosted tool that turns AWS accounts and Organizations into real attack path graphs using BloodHound CE. It evaluates IAM policies, boundaries, SCPs, RCPs, and resource policies offline. Showing you what an attacker can actually compromise in your AWS organization.
Overview RDK Central RDK-B WebUI version, rdkb-2025q4-kirkstone, contains multiple vulnerabilities involving memory corruption, improper authentication, race conditions, and insufficient input validation. An attacker with network access to an affected WebUI may be able to bypass authentication, obtain administrative access, cause a denial-of-service condition, or corrupt memory within underlying RDK-B processes. Under certain conditions, this memory corruption may potentially be leveraged for arbitrary code execution. Description RDK-B (Reference Design Kit for Broadband) is an open-source software platform used in broadband gateways and related networking devices. The RDK-B WebUI provides a web-based interface for configuring and administering an RDK-B device. Five vulnerabilities have been identified in the RDK-B WebUI. CVE-2026-19505 JWT (JSON Web Token) authentication in javascript-templates/source/jst_functions.c does not correctly verify whether a token's cryptographic signature is valid. The application treats both a valid signature and an invalid signature as successful verification because it incorrectly checks the return value from OpenSSL's EVP_VerifyFinal() function. A remote, unauthenticated attacker can craft a JWT with an invalid signature that is still accepted by the WebUI. Successful exploitation allows the attacker to log in as the privileged user and gain administrative access to the device. CVE-2026-19506 The login process in /usr/www2/check.jst uses a shared value to store the result of password verification. Because this value is shared between multiple requests, the application may return one user's authentication result to another user's session. An unau
Cybersecurity researchers have disclosed details of a remote Spectre attack against Cloudflare Workers that leaked a JSON Web Token (JWT) from a co-located Worker in the production environment at up to 12 bits per second, 360 times the rate of an earlier attack demonstrated in 2021. The end-to-end experiment used an attacker Worker and a victim Worker controlled by the researchers,
OpenAI on Tuesday revealed that it paused reinforcement learning (RL) training for its latest artificial intelligence (AI) models for two weeks while it shored up additional defenses and increased the scope of its monitoring to avert another Hugging Face-like incident. "As models become more capable, the risks associated with developing and testing them internally also grow," the AI company
After all the hot press for this RCE, we decided to deploy to the wild and see what attackers were actually doing with it!
As per WABT's SECURITY.txt, #2831 issue exists For context: WABT is a Binary Toolkit for WebAssembly developed by [WebAssembly.org](http://WebAssembly.org) (W3C) wasm2c is a tool inside of it, which is used by many projects like FireFox (via RLBox) to compile wasm down to a sandboxed c library, the assumption is the built C code preserves all WebAssembly's sandbox security features. This PoC demonstrates escaping that sandbox.
AI pentesting works, but building it in-house is the hard part. Synack VP Chris Brown breaks down the reliability, token economics, model dependency and validation costs that come with building versus buying an AI pentesting capability. The post AI Pentesting Works. Building It Yourself Is the Hard Part. appeared first on Synack .
fnprint: identify functions in stripped binaries by behavior (microexecution), training-free, cross-compiler
A previously unreported cyber espionage operation dubbed SilkParasite has been observed targeting government bodies in Central Asia. The intrusion set makes use of seven remote access tool (RAT) families, five of which have never been previously documented: DriveSilkRAT, CookiETagRAT, NomadRAT, GoginRAT, and NodeEdgeRAT. SilkParasite, first discovered in late 2025, is assessed to be a
I finally found some time to organize my notes on secure boot, remote attestation, measured boot and in general embedded security. This is not ground breaking zero-day research but I figured some of you might like a good story. Good here is obviously subjective but I felt like it came out quite readable. This blog builds heavily on public research so as already stated at the end of article if you liked some particular section, show the respective person some love :) P.S.: yes I know the image is AI generated please don’t give me shit for that
Cybersecurity researchers at Hunt.io have disclosed details of a campaign that they say compromised more than 14,530 Dahua devices between June 17 and July 22, 2026, using credential attacks, two authentication-bypass flaws, and a peer-to-peer (P2P) relay technique. The activity, codenamed Operation CameraSwarm, was reconstructed from a 407 MB exposed working directory containing 2,616 files
Most email defenses still do the job they did a decade ago. Scan the message, look for something malicious, block it. That worked when the danger sat in the payload, a bad link or an attachment. It stopped working when the danger moved into the message's intent, and it is failing now that the sender is no longer a person. From Bad Content to Bad Intent to AI on Both Sides Phishing 1.0 was bad
Cybersecurity researchers have flagged a global cybercrime operation that abuses thousands of hacked WordPress websites as infrastructure to disseminate malware, commandeer infected hosts, store stolen documents, screenshots, and activity logs created to track the status of the activity. "The operation doesn't rely on a single piece of malware, but on a whole toolkit of criminal software
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Tuesday added four critical vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, stating they are being exploited in the wild. The shortcomings added to the KEV catalog are listed below - CVE-2026-65400 (CVSS score: 9.8) - An improper authentication vulnerability impacting Apple macOS that could allow an
analysis of a Stripe breach that just dropped, confirmed vendor leaks and claims of 20k compromised apis
\*Headline clarification - the breach involves many Stripe vendors but does not necessarily indicates a Stripe breach! On August 18th, 2026, a data release occurred on the illicit forum pwnforums. The threat actor known as Satanic published sensitive information extracted from hundreds of vendors utilizing the Stripe payment platform. The initial dump released on August 18th contained detailed information pertaining to 669 specific vendors, alongside 1,033 compromised API keys. The volume of the data is reported as 33GB. Hudson Rock researchers spoke to the threat actors minutes after the release of the data. During this exchange, they claimed that the released data represents only a fraction of their total haul. According to the actor, they possess approximately 20,000 compromised Stripe APIs, which they intend to release in subsequent batches.
The people-search tool ClarityCheck says its reverse image search service is “private and secure”—but it left a database containing more than 9 million image files exposed.
Flock’s surveillance cameras have already sparked outrage. WIRED reconstructed its next-generation AI system, already in use by some police, to confirm it goes much further than tracking license plates.
Microsoft Defender Experts have linked more than 30 web domains to MacSync Stealer, a macOS-focused information stealer, after correlating recurring endpoint and network behaviors across changing infrastructure, tracing the malware from payload retrieval through data collection, staging, and exfiltration. The tech giant said it required multiple endpoint and network behaviors to align before
A JavaServer Pages (JSP) web shell deployed following the exploitation of a critical security flaw in PTC Windchill and FlexPLM servers is specifically designed for the enterprise Product Lifecycle Management (PLM) software, according to new findings from ReliaQuest. The cybersecurity company characterized the web shell as a fully equipped extortion platform capable of mapping sensitive vault
Three variations on subversive use of DNS by the Agent are documented in Hugging Face's technical writeup of the July 2026 security incident involving OpenAI models. In this article, I discuss what each of these three types of DNS workarounds achieve in practice, the constraints an actor might have faced to attempt a particular one, and additional benefits from choosing each.
We tested Sonnet 5, Composer 2.5, and GPT 5.5 in plan mode and default mode to see whether plan mode produces measurably more secure code.
Tuesday, August 18
The ChatGPT maker says its upcoming Astra model may have reached “critical” cyber capabilities, prompting it to halt a significant number of training runs while it tightens internal safeguards.
Two critical vulnerabilities impacting MLflow, an open-source artificial intelligence (AI) platform, and FUXA, an open-source, web-based SCADA / HMI software built for operational technology (OT) and industrial automation, are witnessing malicious scanning and exploitation efforts. According to independent reports from watchTowr and VulnCheck, the vulnerabilities in question are as follows -
A ransomware affiliate calling itself Ransom Busters has been spotted proactively sending emails to victim organizations and claims to delete stolen data from ransomware groups' servers in exchange for a fee ranging from $20,000 to $60,000. "In these messages, the third-party offers to help the victim recover from ransomware attack. This immediately stands out as anomalous," GuidePoint Research
Route leaks push traffic down paths it was never meant to take. We have written and spoken publicly in the past about route leaks in Border Gateway Protocol (BGP) , depicting these events as impactful incidents that cause misdirection of traffic through unintended network paths. BGP routing is driven by the relationships between Autonomous Systems (ASes), i.e., customer-provider and peer-peer. Customers pay providers for access to the rest of the Internet, while peers exchange traffic with one another typically under a “settlement-free” arrangement where no money changes hands. These relationships help define routing rules that form plausible paths. For example, the rules form a “valley-free” hierarchy of how routes should propagate: a route learned from a provider or a peer should be announced only downward to customers, never back up to another provider or peer. Rules like this express an intent or expectation about Internet routes. A route leak is what happens when that intent is violated. Historically, each network has had to implement this intent on its own, using complex, error-prone routing policies
One advertisement featured a pornographic video with a deepfake closely resembling a prominent US politician. Apple removed the app from the App Store after an inquiry from WIRED.
Author here. I audited NocoBase, Flowise, Langflow, Dify, Activepieces, Kestra, and Airflow and disclosed 14 findings. Every platform inherited the same assumption anyone who can touch a workflow is trusted to run code on the host, which is fine for a dev tool on your laptop but not fine for a multi-tenant HTTP service with an unauthenticated webhook. The chain I'd point people to first is the Flowise one (section 2.2): an unauthenticated request → prompt injection → LLM emits Python → a 38-pattern regex blocklist passes it because the dangerous library was pre-imported before the model was asked anything → RCE. Two vendors closed their reports as working-as-intended, and I tried to represent their position fairly. This research was also presented at DEFCON 34 but now available publicly. Happy to answer questions. Full whitepaper is available here: [https://www.endorlabs.com/learn/how-ai-orchestration-platforms-ship-rce-by-design](https://www.endorlabs.com/learn/how-ai-orchestration-platforms-ship-rce-by-design)
Security researchers at Anthropic and Switzerland's EPFL have demonstrated that self-propagating payloads can spread from one artificial intelligence (AI) agent to the next through the editable system prompt files that autonomous agent harnesses use to carry state between sessions. The work, released as a preprint on August 10, 2026, tests the technique in a simulated six-agent coding
A single piece of infrastructure has been pulling records out of Salesforce and ServiceNow customer portals across multiple industries for more than a year, according to research published this week by agent security platform Reco. The activity, which Reco has named the City Forum campaign after a domain tied to the attacker's IP address, traces back to one server: 158.220.87.79, hosted on a
Proton’s CEO is a champion of encryption for everyone. So why is he going all in on un-encryptable AI?
After Noel Pichardo called out his city's embrace of Flock surveillance cameras, he was subjected to five internal affairs investigations in less than two years.
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added a critical flaw impacting Ray to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation. Ray is an open-source, Python-native distributed computing framework designed to scale artificial intelligence and machine learning workloads. As of writing, the GitHub project has more than
Presently sponsored by: Report URI: Guarding you from rogue JavaScript! Don’t get pwned; get real-time alerts & prevent breaches #SecureYourSite The current ransomware situation is a bit of a kludge (deep breath): a lot of ransomware (which often doesn't even involve "ware", it's just extortion) is carried out by kids who successfully make a truckload of money but can't spend it without getting caught and the companies they breach rapidly get piled onto by class action lawyers that keeps them busy fighting and being cautious not to say anyting to customers lest that then gets used against them in litigation. That's mostly it; more in this week's video:
Monday, August 17
Cybersecurity researchers at Wiz have disclosed a new GitHub Actions workflow injection vulnerability in Snowflake's public snowflakedb/snowflake-connector-net repository that it said could be exploited through a crafted GitHub issue to execute commands in a workflow containing internal Jira credentials. The issue was present in .github/workflows/jira_issue.yml, which ran when a
To reduce the amount of noise from questions, we have disabled self-posts in favor of a unified questions thread every week. Feel free to ask any question about reverse engineering here. If your question is about how to use a specific tool, or is specific to some particular target, you will have better luck on the [Reverse Engineering StackExchange](http://reverseengineering.stackexchange.com/). See also /r/AskReverseEngineering.
Today, we’re introducing a redesigned GreyNoise Visualizer that makes it easier to navigate those capabilities and brings related workflows together in one place.
Sunday, August 16
phaedra: coverage-guided fuzzer that uses a local LLM to bootstrap seeds for undocumented binary formats
Saturday, August 15
Friday, August 14
At a press conference outside Madison Square Garden, politicians, musicians, and privacy advocates argued for tighter restrictions on how public venues deploy biometric surveillance.
Most companies designed their resource permissions with a human user in mind. A senior engineer may be able to deploy to production, query a sensitive database, or revoke another user's access. Those privileges come with risk, but that risk has traditionally been bounded by two assumptions: the engineer will use human judgment, and the engineer can only act at human speed. An engineer who sees an unexpected result will usually stop and reconsider their actions. Any human being can only click, type, and review so much in a single day. The introduction of AI agents changes both thresholds. Their decisions are nondeterministic, and they can take the same action (or invoke the same tool) indefinitely, without getting tired or stopping for lunch. A plausible — but incorrect — decision can become thousands of incorrect actions before a human notices. Today, we're announcing new Cloudflare One capabilities to identify inspected MCP traffic, show which users and servers are generating it, and control direct connections on managed network paths. Combined with MCP Server Portals , these controls help administrators see whether agents are using an approved path, or somehow bypassing it. Model Context Protocol (MCP) servers give agents a common way to discover and invoke tools backed by third-party SaaS products, internal applications, and APIs. The underlying permissions are likely familiar; what changes is who makes each decision, and how quickly a bad decision can spread. Connecting an agent to one of these tools can take a single
AI has enabled employees across every team to build applications faster than ever before. But that speed is also what's keeping every CISO up at night: any employee can build an application, deploy it to the public Internet, and accidentally expose internal work or company data. Today, we're launching new tools to make it easy to keep your applications hosted on Workers private. You can now apply Cloudflare Access directly to a Worker or to every Worker in your account, so that your applications are behind your company login by default, without relying on each developer to set that up themselves. You can now: Set a policy at the account level to ensure that all preview and production deployments are behind your company login by default. Set a policy on a single application to ensure authentication is enforced on every domain associated with it, no matter how it's deployed. See exactly who visits your application. Get every authenticated user’s email, name, and groups directly in your code — no JWT (JSON Web Token) validation required. Deploy an internal platform where every deployment is private by default. We've open-sourced an example : an internal static site platform where every Worker deployed is private. Access on Workers: how it works When you enable Access on a Worker, Cloudflare enforces authentication before any request reaches your application code. It doesn't matter how the request gets to your Worker, whether it's through a custom domain, a route, a workers.dev subdomain, or a preview URL. If Access is on, the user h
It can be daunting to determine who’s responsible for showing ads on the websites we visit, or who’s harvesting data from the mobile apps we use every day. That information is already semi-public, but it is not easily parsed and traditionally much of it has remained walled away in the hands of large advertising platforms. Not anymore: A powerful and free new service called DecryptAds scrapes and correlates this adtech data and makes it simple to quickly learn a great deal about the entities that are tracking you. A Decryptads summary of the advertising partnerships declared by espn.com. The newly launched decryptads.com says it is constantly scraping the files that websites and apps make publicly available to disclose the companies that are permitted to run ads or collect user data. These files include: – ads.txt : all of the adtech companies and data brokers that may run ads or harvest data from the site; – app-ads.txt : entities that can harvest data from or display ads on mobile an
Suddenly, you’re in a room. You look around - oh, you’re surrounded by other new starters at your new job. Yes, it’s Monday, and you’re being onboarded. You know the drill - it’s the typical enterprise “please don’t be a bad person or we may have to fire you” speech. But, you know what’s coming soon. It’s your favorite part of the onboarding process when you’ve started a new role. It begins! The password policy requirements. You straighten your tie, because sure as heck, your SSLVPN credentials will not be the starting point for this organization. Not this time. Not again. You swore to yourself that you’d use a symbol this time. Wait, did they just say NetScalers? The world freezes around you. How are you back in the hellscape? You panic - what does a symbol matter in comparison to the traumatic nightmares you relive every day? You realize the truth - nobody cares whether your password has a symbol or not. It’s already over for you. Welcome back to another watchTowr Labs blog post. It’s been three years since the last publicly documented NetScaler RCE writeup. ChatGPT tells us that today we’re changing that. Exciting. In this post, we’re going to walk through a vulnerability that was resolved as part of a recent NetScaler ADC and NetScaler Gateway Security Bulletin . As part of this bulletin, Citrix subtly? silently? loudly? patched a Heap Overflow vulnerability
Thursday, August 13
At a time when looking down at our devices is a ritual in daily life, a natural phenomenon that demands our attention communally upward is a welcome event. On Wednesday, August 12, a total solar eclipse swept from the North Atlantic across Europe, moving over Iceland and northern Spain and Portugal, with a deep partial eclipse over the rest of Western Europe, all near local sunset. This was the first total solar eclipse to cross mainland Europe in twenty years, and it drew millions outdoors to witness the moon pass between Earth and the sun. As we saw during the 2026 World Cup and the last total eclipse in 2024 , online behavior is noticeably affected when an event at this scale takes place. In this blog post, we’ll use data from Cloudflare Radar to examine how Internet traffic shifted alongside the moon and the sun. Internet traffic dips align precisely with maximum obscuration In the figure above, we measured HTTP request volume in five-minute buckets across the affected countries on eclipse day, and compared it to a normal-day baseline. Each row is a country (except for Alaska) and each column is a five-minute slice of August 12, 2025, the day of the eclipse. The countries appear above in the order in which they saw the eclipse. The black diamonds mark the moment of maximum eclipse and the color shows the percent change in HTTP traffic versus the baseline (red = below normal, blue = above). We can see very clearly that the black diamonds overlay the darkest red, almost perfectly, signaling that as the eclipse deepened, Internet traffic decr
Since we launched Certificate Transparency Monitoring in public beta in 2019, we've been emailing subscribers whenever a new TLS certificate appears in a public Certificate Transparency (CT) log for one of their domains. Today, it's turned on for more than 650,000 customer domains. It's an early warning that someone, somewhere, has issued a certificate for a hostname in your zone, giving you a chance to spot a mis-issued certificate early. It's a useful signal, but it had a noise problem, and we felt it ourselves. Cloudflare issues a large volume of certificates on your behalf: Universal SSL renewals, certificates from Advanced Certificate Manager, and backup certificates. All of them are logged to public CT logs by design, because a certificate that isn't logged won't be trusted by major browsers like Google Chrome and Apple's Safari. So the same transparency that lets you monitor for mis-issuance also surfaces every certificate we issue for you. And issuance isn't a one-time event. Certificates are short-lived and renew automatically: a single Universal SSL certificate can renew as often as every 60 days , up to about six times a year. That cadence is set to increase, with the CA/Browser Forum having voted to cut the maximum certificate lifetime to 47 days by 2029, multiplying the routine renewals that fl
Records obtained by WIRED detail hundreds of allegations of Customs and Border Protection workers misusing internal tools to look up romantic interests and track colleagues’ cell phones.
Former Google Threat Intelligence leader joins GreyNoise as SVP of Adversary Operations to advance proactive discovery and disruption of cyber threats.