CVE-2026-74874

HighCVSS 7.5/10Last modified Oct 8, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-338

Affected software

No affected versions have been published.

Timeline

Published
Aug 17, 2026
Last modified
Oct 8, 2026
NVD status
Analyzed

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CVE-2026-74874: High severity, CVSS 7.5 | Vulnix