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CVE-2026-4434

HIGH CVSS 3.1: 8.1 EPSS 0.03%
Updated Mar 30, 2026
Devolutions
Parameter Value
CVSS 8.1 (HIGH)
Affected Versions before 2026.1.6.0
Fixed In 2026.1.6.0
Type CWE-295 (Improper Certificate Validation)
Vendor Devolutions
Public PoC No

Improper certificate validation in the PAM propagation WinRM connections allows a network attacker to perform a man-in-the-middle attack via disabled TLS certificate verification.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
High
Difficult to exploit
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 v3.1

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Devolutions Devolutions_Server
cpe:2.3:a:devolutions:devolutions_server:*:*:*:*:*:*:*:*
2026.1.6.0