CVE-2026-45321
Act now ● On CISA KEV — actively exploited used in ransomware
Actively exploited — on the CISA KEV list.
CVSS base
—
EPSS — probability of exploitation (30 days)
2.3%
82.9th percentile
CISA KEV
Listed
Added 2026-05-27 · patch by 2026-06-10
Weakness / dates
—
Published — · modified —
Timeline
- 2026-05-27 — Added to CISA KEV (actively exploited)
- 2026-06-10 — CISA patch-by deadline
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.