High severity8.1NVD Advisory· Published Apr 24, 2025· Updated Apr 15, 2026
CVE-2021-47663
CVE-2021-47663
Description
Due to improper JSON Web Tokens implementation an unauthenticated remote attacker can guess a valid session ID and therefore impersonate a user to gain full access.
Patches
Vulnerability mechanics
References
1News mentions
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