CVE-2026-3204

State: Published
Severity: 9.8 Critical
Published: Mar 3, 2026
Updated: Mar 4, 2026
Reserved: Feb 25, 2026

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	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-20 Improper Input Validation

Affected Products

Product	Versions
ServerDevolutions	2025.3.16 and earlierAffected

References

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

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