CVE-2026-74890
MEDIUM
NVD
CVSS Score
5.5
Severity
MEDIUM
Published
Aug 17, 2026
Vendor
unknown
Description
openssl_encrypt versions before 1.4.0 contain an authentication bypass vulnerability in CamelliaCipher that disables HMAC tag generation and verification when the PYTEST_CURRENT_TEST environment variable is set. Attackers with code execution can set this environment variable to produce unauthenticated ciphertext and bypass integrity protection on encrypted data.