npm/fast-jwt CVE-2026-107723: high 8.1, EPSS 0.36%
fast-jwt : Silent claim-validator bypass when JWT payload is a JSON array
Action: Upgrade fast-jwt to 6.3.0 or later.
npm i fast-jwt@6.3.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 6.3.0 | - |
Fixed versions
| 6.3.0 |
Sources
- osv: GHSA-5hjw-83fp-phq9
- https://github.com/nearform/fast-jwt/security/advisories/GHSA-5hjw-83fp-phq9
- https://github.com/nearform/fast-jwt/pull/639
- https://github.com/nearform/fast-jwt/commit/86e83efd8b5244f50859532d99244f0a9a9a4368
- https://github.com/nearform/fast-jwt
- https://github.com/nearform/fast-jwt/releases/tag/v6.3.0
CVE-2026-107723 · published · modified · JSON