CVE-2026-74877

HIGH CVSS 4.0: 8.7 EPSS 0.25%
Updated Aug 31, 2026
Jahlives
Parameter Value
CVSS 8.7 (HIGH)
Affected Versions before 1.4.0
Fixed In 1.4.0
Type CWE-639 (Authorization Bypass)
Vendor Jahlives
Public PoC No

openssl_encrypt versions before 1.4.0 contain a missing ownership verification vulnerability in the revoke_key method that allows authenticated clients to revoke any other client's key. Attackers can revoke arbitrary keys by providing a valid ML-DSA signature, bypassing the intended ownership restriction.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic 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

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