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CVE-2026-34950

CVE-kwetsbaarheidsdetails - eXtreme Datacenter Security Operations

Gepubliceerd 2026-04-06 15:54:03

Laatst bijgewerkt 2026-04-06 18:43:16

Toegewezen door GitHub_M

CVSS-score 9.1

Status PUBLISHED

Beschrijving

fast-jwt provides fast JSON Web Token (JWT) implementation. In 6.1.0 and earlier, the publicKeyPemMatcher regex in fast-jwt/src/crypto.js uses a ^ anchor that is defeated by any leading whitespace in the key string, re-enabling the exact same JWT algorithm confusion attack that CVE-2023-48223 patched.

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