What is GHSA-jw8h-gwjw-g7rc?

GHSA-jw8h-gwjw-g7rc 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 pqc.py...

Which CVE IDs does GHSA-jw8h-gwjw-g7rc cover?

GHSA-jw8h-gwjw-g7rc covers the following CVE IDs: CVE-2026-74901. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-jw8h-gwjw-g7rc?

GHSA-jw8h-gwjw-g7rc has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

GHSA-jw8h-gwjw-g7rcCriticalCVSS 9.8

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

Vendor

GitHub Security Advisories

Published

August 17, 2026

Last Modified

August 17, 2026

🔗 CVE IDs covered (1)

CVE-2026-74901 →

📋 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.

🔗 References (4)

https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-w4j7-wfgw-r52w
https://nvd.nist.gov/vuln/detail/CVE-2026-74901
https://www.vulncheck.com/advisories/openssl-encrypt-before-authentication-bypass-via-aes-ctr-fallback
https://github.com/advisories/GHSA-jw8h-gwjw-g7rc