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CVE-2026-74901

openssl_encrypt

Description

openssl_encrypt versions before 1.4.0 contain an authentication bypass vulnerability in pqc.py where AES-GCM decryption failures trigger fallback to unauthenticated AES-CTR mode. Attackers can modify ciphertext in transit to bypass integrity verification and perform bit-flipping attacks without detection.

CVSS 9.8EPSS 0.24%Risque 1
Voir la source
Publication
2026-08-17 11:16:45
Versions concernées
<1.4.0
Type
Bibliothèque
Dernière modification
2026-08-17 16:17:51
Vecteur
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H