CVE-2026-74874

jahlives openssl_encrypt

Published 17 Aug 2026 · updated 1 Sept 2026 · Analyzed

8.7 High · CVSS 4.0, vulncheck.com

Description

openssl_encrypt versions before 1.4.0 use Python's non-cryptographic random module for steganographic pixel selection in the generate_pseudorandom_sequence function. Attackers who know the password can recover the Mersenne Twister state from approximately 624 outputs and predict pixel locations containing hidden data for extraction.

References

github.com/jahlives/openssl_encrypt/security/advisories/GHSA-vfgx-5q85-58q3 · Mitigation, Vendor Advisory
www.vulncheck.com/advisories/openssl-encrypt-before-weak-prng-steganography-pixel-selection · Third Party Advisory