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CVE-2026-45321: TanStack Unspecified Vulnerability
TanStack TanStack · in CISA KEV since 2026-05-27
2026-05-27added to KEV
2026-06-10federal remediation due date
2.34%EPSS exploit probability (30 days) 82.9th percentile
9.6 CRITICALCVSS 3.1
Knownknown ransomware use
15days from NVD publication to KEV
What it is
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.
| CWE | CWE-506 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H |
| NVD published | 2026-05-12 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2026-45321.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.
Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.