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How Anthropic’s Claude AI Uncovered a Hidden Apache ActiveMQ Vulnerability After 13 Years

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How Anthropic’s Claude AI Uncovered a Hidden Apache ActiveMQ Vulnerability After 13 Years

For more than a decade, a critical security flaw lurked undetected within Apache ActiveMQ Classic, a widely used open-source message broker. The bug, recently identified as CVE-2026-34197, was finally exposed with the help of Anthropic’s AI assistant, Claude. This discovery highlights the growing role of artificial intelligence in cybersecurity and vulnerability research.

The flaw, categorized as a remote code execution (RCE) vulnerability, allows attackers to execute arbitrary operating system commands on affected systems. Horizon3.ai chief architect Naveen Sunkavally detailed the discovery in an April 7 blog post, emphasizing that organizations running ActiveMQ should prioritize patching immediately.

According to Sunkavally, “An attacker can invoke a management operation through ActiveMQ’s Jolokia API to trick the broker into fetching a remote configuration file and running arbitrary OS commands.” The vulnerability requires credentials, but default credentials (admin:admin) are common in many environments. On versions 6.0.0 through 6.1.1, no credentials are required due to another issue, CVE-2024-32114, which exposes the Jolokia API without authentication. In those versions, CVE-2026-34197 becomes an unauthenticated RCE threat.

Understanding the Apache ActiveMQ Bug and Its Impact

This Apache ActiveMQ bug has remained hidden for 13 years because it involves multiple components developed independently over time. In isolation, each feature appeared safe, but when chained together, they created a dangerous exploit path. Sunkavally noted that this is exactly where Claude excelled—efficiently stitching together the attack path end to end with a clear head free of assumptions.

“Something that would have probably taken me a week manually took Claude 10 minutes,” he said. The AI’s ability to analyze source code and identify complex interactions between components made it an invaluable tool in this discovery.

How the Vulnerability Works

The exploit leverages ActiveMQ’s Jolokia API, a management interface that allows remote access to the broker’s internal operations. By sending a crafted POST request to /api/jolokia/ containing an addNetworkConnector command, an attacker can trick the broker into fetching a malicious remote configuration file. This file then triggers the execution of arbitrary OS commands, granting the attacker control over the system.

Organizations concerned about potential compromise should check ActiveMQ broker logs for network connector activity referencing vm:// URIs with brokerConfig=xbean:http. Additional indicators of compromise include:

  • POST requests to /api/jolokia/ containing addNetworkConnector in the request body
  • Outbound HTTP requests from the ActiveMQ broker process to unexpected hosts
  • Unexpected child processes spawned by the ActiveMQ Java process

Patches and Mitigation Steps for the ActiveMQ RCE Vulnerability

The ActiveMQ RCE vulnerability has been patched in ActiveMQ Classic versions 5.19.4 and 6.2.3. Users are strongly advised to update to these versions immediately. Additionally, ensure that no default credentials are in use. Changing the default admin:admin credentials is a critical step, as many environments still rely on these weak passwords.

For organizations unable to patch immediately, implementing network segmentation and restricting access to the Jolokia API can help reduce risk. Monitoring for the indicators of compromise listed above is also essential for early detection.

If you are using ActiveMQ, review your configuration and apply the latest updates. For more on securing message brokers, check out our guide on best practices for message broker security.

Claude AI: A New Tool for Vulnerability Hunting

Sunkavally described the discovery of CVE-2026-34197 as “80% Claude and 20% gift-wrapping by a human.” He regularly uses Claude to take a first pass at source code for vulnerability hunting, prompting it lightly and setting up a target on the network for it to validate findings.

“A lot of the time, Claude finds interesting stuff but it doesn’t quite rise to the level of a CVE I’d bother reporting. In this case, it did a great job, with nothing more than a couple of basic prompts,” he said.

This case demonstrates how AI can accelerate vulnerability research, especially for bugs that involve complex interactions across multiple components. Sunkavally urged appsec engineers and developers to adopt tools like Claude in their workflows, stating that “anyone with a security background can take advantage.”

As AI continues to evolve, its role in cybersecurity will likely expand. For more insights on AI-driven security research, explore our article on how artificial intelligence is transforming threat detection.

Final Thoughts on the 13-Year-Old Bug

The discovery of this Apache ActiveMQ bug serves as a stark reminder that vulnerabilities can remain hidden for years, especially when they involve multiple independent components. The use of AI tools like Claude can help uncover these hidden threats more efficiently than traditional manual methods.

Organizations running ActiveMQ should act quickly to patch and review their security posture. By combining AI-powered vulnerability hunting with robust security practices, the cybersecurity community can stay ahead of evolving threats. For more on securing open-source software, see our tips for open-source security.

CyberSecurity

Attackers weaponize dormant GitHub accounts to map corporate networks undetected

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The quiet threat of ‘ghost’ accounts

When a GitHub account sits untouched for years, most teams assume it’s harmless. A forgotten developer profile, an old bot, a test user — nothing to worry about, right?

Wrong. According to Datadog Security Labs, attackers are actively weaponizing these dormant accounts. They call them ‘ghost’ accounts, and they’re a core part of a broader campaign to map out corporate GitHub organizations, repositories, and user accounts without raising alarms.

The technique is deceptively simple: automated scripts scrape the GitHub API using custom user agents that sound legitimate. The accounts themselves are often years old — meaning they pass basic age checks and don’t trigger the suspicion a fresh profile would.

How the enumeration works

Datadog’s report details several overlapping campaigns, all targeting the same thing: organizational structure. Attackers aren’t after code — at least not yet. They want the map.

By making API calls to list members of an organization, pull repository metadata, and check user profiles, they can build a detailed picture of who works where, what projects exist, and which accounts have elevated access. That reconnaissance is gold for a follow-up phishing attack or a credential-stuffing attempt.

OAuth tokens in the mix

It gets worse. Some of these campaigns don’t rely on ghost accounts at all. Instead, they use compromised OAuth tokens — keys that were either stolen or leaked — to authenticate as a legitimate user. Once inside, the attacker can scrape even more data because the API trusts the token.

This is a classic GitHub API abuse scenario: the API itself is working as designed. The problem is that the credentials behind the requests are not what they seem.

Why old accounts fly under the radar

Security teams often focus on new accounts and unusual login locations. A dormant GitHub account that suddenly starts making API calls? That’s harder to catch. The account already exists. It might have a history of commits, comments, or issues. The behavior shift is subtle.

Add in custom user agents that mimic popular tools like curl or official GitHub CLI clients, and you have a recipe for invisibility. The traffic looks normal. The account looks normal. Only the intent is malicious.

What organizations should do

There’s no single fix, but Datadog points to a few concrete steps that reduce the risk significantly:

  • Audit OAuth tokens regularly. Revoke any token that hasn’t been used in 90 days. Attackers love old, forgotten tokens.
  • Monitor API call patterns. A sudden spike in member enumeration or repository listing from a single account — especially an old one — is worth investigating.
  • Enforce two-factor authentication (2FA). It won’t stop a compromised token, but it makes ghost account takeovers much harder.
  • Review organization membership. Remove users who no longer work on the project. Every extra account is a potential entry point.

For more on securing your development pipeline, check out our guide on GitHub security best practices and how to handle compromised API tokens.

The bottom line

Attackers are getting smarter about blending in. They’re not smashing the front door — they’re using keys that were left under the mat years ago. Dormant GitHub accounts, old tokens, and legitimate-looking traffic are the new normal in corporate reconnaissance.

The takeaway? Clean up your digital attic. Every old account and every unused token is a liability. And in this case, the ghosts are very real.

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The Summer of Clearinghouses: Why One Platform Was Already Live When Everyone Else Was Just Talking

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Suddenly, Everyone Has a Clearinghouse

The past few weeks have felt like a parade of press releases. Company after company has stepped up to announce its own clearinghouse — a new platform, a new promise, a new way to handle data or transactions. It’s a crowded field, and the announcements keep piling up.

Our team joined the chorus, too. We announced Athena. But there’s a catch: when we told the world about it, the product wasn’t a PowerPoint slide or a beta waiting list. It was already live. Real customers were using it. Fixes were being shipped. The code had been running quietly for months.

Why the Rush to Announce?

It’s tempting to ask: why now? Why did so many clearinghouses suddenly emerge in the same window? Part of the answer is market timing. The industry has reached a point where a clearinghouse isn’t a nice-to-have; it’s becoming table stakes. Companies that don’t have one risk looking like they’re falling behind.

But there’s another layer. Announcing early can signal ambition to investors, partners, and customers. It builds buzz. It creates a narrative. The problem? Many of these announcements are vapor — promises without a product behind them. They’re built on roadmaps, not running code.

Athena: Built in Silence, Shipped in Secret

That’s where Athena broke the mold. The team behind it didn’t start building when the trend emerged. They started because customers kept asking for a solution — a real one, not a concept. So they built it. Quietly. No press releases, no teaser campaigns.

They took findings from early users and turned them into fixes. They iterated. They made mistakes, corrected them, and kept shipping. The product grew organically, shaped by actual demand rather than a product manager’s whiteboard.

“We only announced it now because everyone else started announcing theirs,” one team member said. The implication is clear: Athena was never about the announcement. It was about the work.

What Sets a Live Platform Apart

There’s a fundamental difference between a clearinghouse that’s been running for months and one that’s still in development. A live platform has battle scars. It has handled edge cases. It has real data flowing through it, which means real insights about what works and what doesn’t.

For customers, that difference matters. A live platform means:

  • Immediate value — no waiting for a launch date.
  • Proven reliability — bugs have been found and fixed.
  • Real feedback loops — the product evolves based on usage, not assumptions.

In a summer of clearinghouse announcements, Athena stands out because it was already doing the job while others were still drafting their blog posts.

The Noise vs. The Signal

So what should customers and industry watchers take away from this wave of announcements? First, it’s worth asking: is the product real? Can you use it today? Does it have a track record, even a short one?

Second, look for specificity. Vague claims about “revolutionizing” or “transforming” something are easy to make. Concrete numbers — users onboarded, transactions processed, bugs squashed — are harder to fake. Athena had those numbers before the first press release went out.

Finally, remember that a clearinghouse is only as good as the work behind it. The hype cycle will pass. What remains are the platforms that actually solve problems. In this summer of clearinghouses, one was already solving them — quietly, steadily, and without fanfare — long before the announcements started.

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LG to Ban Residential Proxies from Smart TV Apps After Security Study

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Why LG Is Cracking Down on Proxy SDKs

LG Electronics announced this week it will suspend any smart TV apps that turn televisions into always-on residential proxy nodes. The move comes less than a month after researchers revealed that over 42 percent of games and utilities on LG’s webOS store let unknown third parties route internet traffic through users’ TVs.

Security firm Spur published findings in early July showing that residential proxy software development kits (SDKs) have quietly infiltrated smart TV platforms. For Samsung’s Tizen OS, more than a quarter of apps contained similar components. The data suggests a systemic problem, not an isolated incident.

What Are Residential Proxies Doing in Your TV?

Residential proxy networks pay app developers to embed SDKs that turn a device into a proxy node. Paying customers then rent that node to route their own traffic through it. In LG and Samsung smart TVs, Spur found these SDKs bundled with everything from Pac-Man clones to screensavers and file managers.

A Pac-Man app from Bright Data even offers users a choice: watch ads or let the TV serve as a proxy node. Bright Data, which accounted for the majority of proxy SDKs on both platforms, did not respond to requests for comment.

Bright Data and other providers claim they follow rigorous know-your-customer processes to prevent abuse. They also say they deploy countermeasures that stop proxy customers from interacting with other devices on the user’s local network. But critics argue that a one-time consent prompt buried in a TV app is not enough.

LG’s Response: Suspensions and Policy Changes

LG Senior Vice President John Taylor told KrebsOnSecurity that the company is working with developers to remove residential proxy options from their apps. Developers that fail to comply will see their apps suspended.

“A residential proxy network is not an intended use for LG smart TVs,” Taylor said. “LG Electronics is working with developers to remove the residential proxy option from their apps on the webOS platform. If this option is not removed, these apps will be suspended.”

Taylor added that the review is “well underway now.” LG will also strengthen its evaluation process for developer-submitted apps, including those that incorporate proxy SDKs.

The Deeper Problem: Consent and Awareness

Spur’s Trevor Sutter put it bluntly: “A one-time consent prompt buried in a TV app is not a substitute for meaningful transparency, ongoing control, and platform oversight. The risk is amplified when consent comes from individuals within the household who use the device but shouldn’t give consent, such as minors.”

Most consumers do not think of their smart TV as a computer. They don’t audit apps or check for background network activity. That makes residential proxies particularly insidious. The device sits in the living room, always on, always connected — an ideal node for someone who wants to hide their traffic behind a real residential IP address.

Spur’s report notes that the problem is not that residential proxy networks exist, but that they are being embedded at scale in devices that most people cannot easily monitor.

LG’s Other Controversy: McAfee Bloatware

LG’s announcement comes amid criticism over another partnership. This week, the YouTube channel Gamers Nexus showed that certain LG LCD monitors automatically install an app promoting paid McAfee antivirus subscriptions. The app arrives through Windows Update without any approval prompt. Users reported that the software drivers push McAfee promotions without consent, triggering frustration among gamers and professionals alike.

LG has not yet commented on the McAfee issue. But the combination of proxy SDKs in smart TVs and unwanted antivirus promotions in monitors suggests a pattern: LG is comfortable embedding third-party monetization in its hardware, often without clear user consent.

What This Means for LG Users

For now, LG’s crackdown on residential proxies is a positive step. Users should check which apps are installed on their webOS smart TVs and remove any they do not recognize. If an app offers a choice between ads and “network sharing,” the safest option is to uninstall it entirely.

The company says it will continue to review apps and enforce the ban. Whether that translates into real change — or just a temporary PR move — remains to be seen. But for the millions of LG smart TV owners, the message is clear: your television should not be a tool for strangers to hide their internet activity.

As Spur’s research showed, the problem extends beyond LG. Samsung has not announced any similar action for its Tizen platform. Consumers who want to avoid residential proxies altogether may need to look beyond the app store — or consider whether they need a smart TV at all.

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