Actively exploited
Listed in CISA’s Known Exploited Vulnerabilities catalog since May 27, 2026.
CVE-2026-45321
TanStack Unspecified Vulnerability
Added to KEV May 27, 2026
Alert details
- Source feed
- CISA KEV
- CVE ID
- CVE-2026-45321
- Affected products
- TanStack · TanStack TanStack
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.
What it means for your business
TanStack TanStack is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-45321). 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. CISA remediation due date: 2026-06-10. If you need help checking exposure, call (864) 335-9223.
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.
CISA due date: June 10, 2026
Sources
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