CVE-2026-34950
1 advisory.
npm/fast-jwt CVE-2026-34950: critical 9.1, EPSS 0.27%
fast-jwt: Incomplete fix for CVE-2023-48223: JWT Algorithm Confusion via Whitespace-Prefixed RSA Public Key
Action: Upgrade fast-jwt to 6.2.0 or later.
npm i fast-jwt@6.2.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 6.2.0 | - |
Fixed versions
| 6.2.0 |
Sources
- osv: GHSA-mvf2-f6gm-w987
- https://github.com/nearform/fast-jwt/security/advisories/GHSA-mvf2-f6gm-w987
- https://nvd.nist.gov/vuln/detail/CVE-2026-34950
- https://github.com/advisories/GHSA-c2ff-88x2-x9pg
- https://github.com/nearform/fast-jwt
CVE-2026-34950 · published · modified · JSON