Is It On KEV?

TanStack TanStack

YES - ON THE CISA KEV LIST
CVE-2026-45321

TanStack Unspecified Vulnerability

CISA catalog due date2026-06-10
154 days past due
EPSS exploit probability (next 30 days)3.3% · 89percentile
From CVE publication to KEV listing15 days (2026-05-12 → 2026-05-27)
Remediation window (KEV listing to due date)14 days
Days on the KEV list168 days
Date added to KEV2026-05-27
Known ransomware campaign useKnown
VendorTanStack
ProductTanStack
Weaknesses (CWE)n/a

TanStack: 1 entries (0.1% of all KEV entries are from this vendor); 1 added in 2026.

BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.

Your BOD 26-04 window (SSVC tier helper)

Your remediation window ends:

Description

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.

Required action (CISA)

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notes

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

References

Other KEV entries for this vendor: TanStack

TanStack - Vendors with KEV entries

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