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keyv/cacheable npm Worm: Revoking Token Arms the Payload

2026-08-06 13:03 UTC · SANS ISC · read the source ↗ #supply-chain#npm#incident-response
  • Engineer — Act: Active supply-chain compromise in the npm keyv/cacheable packages — audit all build hosts for execution of these packages immediately and preserve forensic state before touching credentials, because revoking the stolen token is what triggers the malicious payload; follow a forensics-first sequence before any rotation.
  • SOC/IR — Act: Ongoing supply-chain worm with a novel IR wrinkle: token revocation activates the payload, which inverts standard response playbooks — sweep CI/CD build logs for keyv/cacheable execution since Aug 4, and update incident runbooks to gate credential rotation on payload-trigger analysis.
  • Leader — Plan: Active npm supply-chain compromise affecting keyv/cacheable; confirm whether internal engineering teams depend on these packages and brief engineering leadership on the non-standard response sequence before teams instinctively rotate credentials and worsen the incident.
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