CVE catalog
CVE-2026-45321
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 G
- Severity
- Critical · CVSS 9.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- Exploitation
- CISA Known Exploited Vulnerabilities
- EPSS
- 3.28% · Oct 25, 2026
TanStack contains an unspecified vulnerability that allowed malicious versions of the product to be published to the npm registry to publish credential-stealing malware under a trusted identity.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | tanstack\/arktype-adapter | Not reported | Not reported | unknown |
| Cpe | tanstack\/eslint-plugin-router | Not reported | Not reported | unknown |
| Cpe | tanstack\/eslint-plugin-start | Not reported | Not reported | unknown |
| Cpe | tanstack\/history | Not reported | Not reported | unknown |
| Cpe | tanstack\/nitro-v2-vite-plugin | Not reported | Not reported | unknown |
| Cpe | tanstack\/react-router | Not reported | Not reported | unknown |
| Cpe | tanstack\/react-router-devtools | Not reported | Not reported | unknown |
| Cpe | tanstack\/react-router-ssr-query | Not reported | Not reported | unknown |
| Cpe | tanstack\/react-start | Not reported | Not reported | unknown |
| Cpe | tanstack\/react-start-client | Not reported | Not reported | unknown |
| Cpe | tanstack\/arktype-adapter | Not reported | Not reported | unknown |
| Cpe | tanstack\/eslint-plugin-router | Not reported | Not reported | unknown |
| Cpe | tanstack\/eslint-plugin-start | Not reported | Not reported | unknown |
| Cpe | tanstack\/history | Not reported | Not reported | unknown |
| Cpe | tanstack\/nitro-v2-vite-plugin | Not reported | Not reported | unknown |
| Cpe | tanstack\/react-router | Not reported | Not reported | unknown |
| Cpe | tanstack\/react-router-devtools | Not reported | Not reported | unknown |
| Cpe | tanstack\/react-router-ssr-query | Not reported | Not reported | unknown |
| Cpe | tanstack\/react-start | Not reported | Not reported | unknown |
| Cpe | tanstack\/react-start-client | Not reported | Not reported | unknown |
Fixed-version evidence
OpenFactory catalog packages
No matching packages in this catalog.
Observed:
References
- [https://github.com/TanStack/router/issues/7383]
- [https://github.com/TanStack/router/security/advisories/GHSA-g7cv-rxg3-hmpx]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-45321]
- [https://tanstack.com/blog/npm-supply-chain-compromise-postmortem]
- [https://www.cisa.gov/known-exploited-vulnerabilities-catalog]
- [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]
[CISA Known Exploited Vulnerabilities (OSINT)] · [FIRST EPSS] · [National Vulnerability Database (NVD)]