CVE-2026-74874

HIGH CVSS 4.0: 8.7 EPSS 0.26%
Updated Sep 01, 2026
Python
Parameter Value
CVSS 8.7 (HIGH)
Affected Versions before 1.4.0
Fixed In 1.4.0
Type CWE-338
Vendor Python
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Jahlives Openssl_Encrypt
cpe:2.3:a:jahlives:openssl_encrypt:*:*:*:*:*:python:*:*
1.4.0