CVE-2026-74876

CRITICAL CVSS 4.0: 9.3 EPSS 0.20%
Updated Sep 01, 2026
Jahlives
Parameter Value
CVSS 9.3 (CRITICAL)
Affected Versions before 1.4.0
Fixed In 1.4.0
Type CWE-347 (Improper Verification of Cryptographic Signature)
Vendor Jahlives
Public PoC No

openssl_encrypt versions before 1.4.0 contain a vulnerability in PublicKeyBundle.from_dict() that creates key bundles from untrusted data without verifying signatures. Attackers can call from_dict() followed by to_identity() without signature verification to encrypt data using attacker-controlled public keys, leaking secrets.

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
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Vulnerable Products 1

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