CVE-2026-4434

HIGH

Devolutions Server <2026.1 - MITM via Disabled TLS Cert Verification

Title source: llm

Description

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.

References (1)

https://devolutions.net/security/advisories/DEVO-2026-0005/

Scores

CVSS v3 8.1

EPSS 0.0003

EPSS Percentile 8.6%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-295

Status published

Products (2)

devolutions/devolutions_server < 2026.1.6.0

Devolutions/Server < 2026.1

Published Mar 20, 2026

Tracked Since Mar 20, 2026