Improper Verification of Cryptographic Signature Affecting openssl-encrypt package, versions [,1.4.0)


Severity

Recommended
0.0
critical
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.23% (14th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-PYTHON-OPENSSLENCRYPT-19428094
  • published29 Aug 2026
  • disclosed17 Aug 2026
  • creditUnknown

Introduced: 17 Aug 2026

NewCVE-2026-74901  (opens in a new tab)
CWE-347  (opens in a new tab)

How to fix?

Upgrade openssl-encrypt to version 1.4.0 or higher.

Overview

openssl-encrypt is an A package for secure file encryption and decryption based on modern ciphers using heavy-compute-load chaining of hashing and KDF to generate strong encryption password based on users provided password to ensure secure encryption of files

Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature in the pqc.py process when AES-GCM decryption fails and the system falls back to unauthenticated AES-CTR mode. An attacker can gain unauthorized access and manipulate encrypted data by modifying ciphertext in transit, thereby bypassing integrity verification and enabling undetected bit-flipping attacks.

CVSS Base Scores

version 4.0
version 3.1