CVE-2026-3204

CRITICAL

Devolutions Server <2025.3.15 - Info Disclosure

Title source: llm
STIX 2.1

Description

Improper input validation in the error message page in Devolutions Server 2025.3.16 and earlier allows remote attackers to spoof the displayed error message via a specially crafted URL.

Scores

CVSS v3 9.8
EPSS 0.0007
EPSS Percentile 21.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-20
Status published
Products (1)
devolutions/devolutions_server < 2025.3.16.0
Published Mar 03, 2026
Tracked Since Mar 04, 2026