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GHSA-MVF2-F6GM-W987 fast-jwt: Incomplete fix for CVE-2023-48223: JWT Algorithm Confusion via Whitespace-Prefixed RSA Public Key

🗓️ 02 Apr 2026 20:37:54Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 3 Views

Incomplete fast-jwt fix misclassifies whitespace-prefixed RSA keys, enabling HS256 signing.

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07 Apr 2026 17:34Current
6Medium risk
Vulners AI Score6
CVSS 3.19.1
EPSS0.00235
3