CVE-2026-35039
1 advisory.
npm/fast-jwt CVE-2026-35039: critical 9.1, EPSS 0.22%
fast-jwt: Cache Confusion via cacheKeyBuilder Collisions Can Return Claims From a Different Token (Identity/Authorization Mixup)
Action: Upgrade fast-jwt to 6.2.0 or later.
npm i fast-jwt@6.2.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0.0.1 | 6.2.0 | - |
Fixed versions
| 6.2.0 |
Sources
- osv: GHSA-rp9m-7r4c-75qg
- https://github.com/nearform/fast-jwt/security/advisories/GHSA-rp9m-7r4c-75qg
- https://nvd.nist.gov/vuln/detail/CVE-2026-35039
- https://github.com/nearform/fast-jwt/commit/de121056c6415b58770c60640881eaec67ac4ceb
- https://github.com/nearform/fast-jwt
CVE-2026-35039 · published · modified · JSON