npm/@tanstack/react-start-client CVE-2026-45321: critical 9.6, exploited, EPSS 3.28%
Malware in @tanstack/* packages exfiltrates cloud credentials, GitHub tokens, and SSH keys
Action: Upgrade @tanstack/react-start-client to 1.166.55 or later.
npm i @tanstack/react-start-client@1.166.55Affected
| introduced | fixed | last affected |
|---|---|---|
| 1.166.51 | 1.166.55 | - |
| 1.166.54 | 1.166.55 | - |
Fixed versions
| 1.166.55 |
Sources
- osv: GHSA-g7cv-rxg3-hmpx#npm/@tanstack/react-start-client
- kev: CVE-2026-45321
- https://github.com/TanStack/router/security/advisories/GHSA-g7cv-rxg3-hmpx
- https://nvd.nist.gov/vuln/detail/CVE-2026-45321
- https://github.com/TanStack/router/issues/7383
- https://github.com/TanStack/router
- https://socket.dev/blog/tanstack-npm-packages-compromised-mini-shai-hulud-supply-chain-attack
- https://tanstack.com/blog/npm-supply-chain-compromise-postmortem
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-45321
- https://www.stepsecurity.io/blog/mini-shai-hulud-is-back-a-self-spreading-supply-chain-attack-hits-the-npm-ecosystem
CVE-2026-45321 · published · modified · JSON