CVE-2026-3204

CRITICAL

9.8

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published3/3/2026

Last Modified3/5/2026

Sourcenvd

Honeypot Sightings0

Affected Products

devolutions:devolutions_server

Weaknesses (CWE)

CWE-20

References

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

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.