May 26, 2026 GitHub Actions auth outage (2h21m): stalled runs, action downloads, running jobs, and cron. Actions' 2nd May incident, separate from May 15's service discovery RCA.
May 12: TeamPCP open-sourced the Shai-Hulud worm on GitHub. Datadog mapped its module pipeline (Loader/Provider/Collector/Dispatcher/Sender/Mutator) and Claude Code SessionStart hook for persistence. May 15: BreachForums opened a paid attack challenge. Detection notes for the copycat wave.
Composer 2.9.8/2.2.28 fix CVE-2026-45793: GitHub's new GITHUB_TOKEN includes hyphens that Composer's old regex rejects, leaking the token into CI logs as plaintext.
TanStack npm compromise (42 pkgs / 84 versions, CVE-2026-45321 CVSS 9.6) on May 11, 2026 UTC spread across UiPath (60+), Mistral, OpenSearch, guardrails-ai, Checkmarx Jenkins. Covers token-revoke wipe ordering, first valid SLSA provenance on malicious npm, and Vect ransomware secondary wave (wiper, not real ransomware). Live tracking.
After supply-chain attacks against tj-actions and Trivy, GitHub published a plan to reduce the attack surface of CI/CD pipelines through dependency locking, scoped secrets, and Layer 7 egress firewalls.
A look at Anthropic’s Claude Code Security: its technical approach, false‑positive mitigations, the GitHub Action, comparisons with competing tools, and why $15B briefly vanished from cybersecurity stocks.
This article explains how Cline’s issue‑triage bot was exploited via a three‑step chain—prompt injection, cache poisoning, and credential commingling—leading to an unauthorized package release that potentially affected about five million users.
