CVE-2026-45321 Malware in 42 @tanstack/* packages exfiltrates cloud credentials, GitHub tokens, and SSH keys

On 2026-05-11, between approximately 19:20 and 19:26 UTC, 84 malicious versions across 42 @tanstack/ packages were published to the npm registry. The publishes were authenticated via the legitimate GitHub Actions OIDC trusted-publisher binding for TanStack/router, but the publish workflow itself...

PT-2026-39905

Name of the Vulnerable Software and Affected Versions @tanstack/ packages affected versions not specified Description An attacker published 84 malicious versions across 42 @tanstack/ packages to the npm registry. The attack was executed by chaining three vulnerability classes: a pull request targ...