What is GHSA-8p4p-w6mq-4grq?

GHSA-8p4p-w6mq-4grq is a security advisory published by GitHub Security Advisories with Critical severity. openssl_encrypt versions before 1.4.0 contain an authentication bypass vulnerability in...

Which CVE IDs does GHSA-8p4p-w6mq-4grq cover?

GHSA-8p4p-w6mq-4grq covers the following CVE IDs: CVE-2026-74890. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-8p4p-w6mq-4grq?

GHSA-8p4p-w6mq-4grq has a CVSS v3 base score of 5.5, published by GitHub Security Advisories.

GHSA-8p4p-w6mq-4grqCriticalCVSS 5.5

openssl_encrypt versions before 1.4.0 contain an authentication bypass vulnerability in...

Vendor

GitHub Security Advisories

Published

August 17, 2026

Last Modified

August 17, 2026

🔗 CVE IDs covered (1)

CVE-2026-74890 →

📋 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.

🔗 References (4)

https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-rvc2-5jxq-gpcj
https://nvd.nist.gov/vuln/detail/CVE-2026-74890
https://www.vulncheck.com/advisories/openssl-encrypt-before-hmac-authentication-bypass-via-environment-variable
https://github.com/advisories/GHSA-8p4p-w6mq-4grq