CVE detail
CVE-2026-45321: TanStack Unspecified Vulnerability
Source: CISA Known Exploited Vulnerabilities catalog · back to feed
Vendor / product
TanStack · TanStack
- Date added (KEV)
- May 27, 2026
- CISA due date
- Jun 10, 2026
- Ransomware campaign use
- Known
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Vendor fix: Vendor mitigation
Scorifya interpretation
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Plain English
Technical detail
From CISA
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.
This vulnerability could affect an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see: https://github.com/TanStack/router/security/advisories/GHSA-g7cv-rxg3-hmpx ; https://nvd.nist.gov/vuln/detail/CVE-2026-45321
See what attackers can see on your domain
This vulnerability is on CISA's Known Exploited Vulnerabilities list, so it is being exploited in the wild right now, including in ransomware campaigns. Scorifya can't test for TanStack directly, but in about 30 seconds it shows what your own domain exposes publicly across TLS, security headers, DNS, and cookies: the surface attackers probe first.
SOC 2 compliance
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See Scorifya Controls →References
- https://github.com/TanStack/router/security/advisories/GHSA-g7cv-rxg3-hmpxMitigationVendor Advisory
- https://tanstack.com/blog/npm-supply-chain-compromise-postmortemExploitVendor Advisory
- https://github.com/TanStack/router/issues/7383Issue Tracking
- https://www.stepsecurity.io/blog/mini-shai-hulud-is-back-a-self-spreading-supply-chain-attack-hits-the-npm-ecosystemExploitThird Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-45321