Slsa

Mini Shai-Hulud Wave 4: TanStack, Mistral AI, UiPath Hit by First-Ever SLSA-Attested Malicious npm Packages (CVE-2026-45321)

TeamPCP's fourth Mini Shai-Hulud wave compromised 42 TanStack packages, the Mistral AI SDK, UiPath, OpenSearch, and Guardrails AI by stealing OIDC tokens out of a GitHub Actions runner's process memory — and shipped malicious versions with valid SLSA Build Level 3 provenance attestations.