CRITICAL 9.3 NVD
CVE-2026-74890
openssl_encrypt versions before 1.4.0 contain an authentication bypass vulnerability in CamelliaCipher that disables HMAC tag generation and verification when t
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.
References
- https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-rvc2-5jxq-gpcj
- https://www.vulncheck.com/advisories/openssl-encrypt-before-hmac-authentication-bypass-via
This critical severity vulnerability with a CVSS score of 9.3 was published on 2026-08-17 via NVD.
Risk Timeline
CVE Disclosed2026-08-17 · -1 days ago
Remediation Resources
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