{"id":"CVE-2026-74874","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-74874","summary":"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…","details":"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.","published":"2026-08-17T11:16:41.813","modified":"2026-08-17T11:16:41.813","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-vfgx-5q85-58q3"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/openssl-encrypt-before-weak-prng-steganography-pixel-selection"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-08-17T11:16:41.813"}}