What is GHSA-pj8r-rv9w-cfg8?

GHSA-pj8r-rv9w-cfg8 is a security advisory published by GitHub Security Advisories with Medium severity. openssl_encrypt versions before 1.4.6 contain a key derivation flaw in sequential XOR composition...

Which CVE IDs does GHSA-pj8r-rv9w-cfg8 cover?

GHSA-pj8r-rv9w-cfg8 covers the following CVE IDs: CVE-2026-74871. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-pj8r-rv9w-cfg8?

GHSA-pj8r-rv9w-cfg8 has a CVSS v3 base score of 6.2, published by GitHub Security Advisories.

GHSA-pj8r-rv9w-cfg8MediumCVSS 6.2

openssl_encrypt versions before 1.4.6 contain a key derivation flaw in sequential XOR composition...

Vendor

GitHub Security Advisories

Published

August 17, 2026

Last Modified

August 17, 2026

🔗 CVE IDs covered (1)

CVE-2026-74871 →

📋 Description

openssl_encrypt versions before 1.4.6 contain a key derivation flaw in sequential XOR composition mode where the last stage cancels out during key generation. When configured with a single KDF and no prior hashing stage, attackers can bypass memory-hard key derivation and perform offline password cracking at SHA-256 speed instead of the configured KDF cost.

🔗 References (4)

https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-vxf9-vwp6-2w43
https://nvd.nist.gov/vuln/detail/CVE-2026-74871
https://www.vulncheck.com/advisories/openssl-encrypt-before-kdf-bypass-via-sequential-xor
https://github.com/advisories/GHSA-pj8r-rv9w-cfg8