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Threats Tagged 'cve-2026-34950'

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Active filters (1):Tag: cve-2026-34950

Threats Tagged 'cve-2026-34950'

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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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