Software Supply Chain Security
TanStack's Build Pipeline Got Hijacked and Still Signed Valid SLSA Provenance (May 2026)
On May 11, 2026, attackers chained a pull_request_target abuse, cache poisoning, and OIDC token theft to publish 84 malicious @tanstack npm versions from TanStack's own trusted pipeline. It is the first npm compromise to carry valid SLSA provenance.
May 15, 202611 min read