CVE-2026-45321 · netVigilance record NV26-0120
TanStack Unspecified
past due ransomware
What to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA deadline 2026-06-10 · passed 3 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
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.
Who is affected
TanStack TanStack. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 3 months ago
Sources
- NVD entry for CVE-2026-45321 nvd.nist.gov/vuln/detail/CVE-2026-45321
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- github.com github.com/TanStack/router/security/advisories/GHSA-g7cv-rxg3-hmpx
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2026-45321