CVE-2026-3204CRITICAL 9.8EPSS p40.7%

CVE-2026-3204CVE-2026-3204

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.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS0.53% probability of exploitation · percentile 40.7% · 2026-06-19T12:03:05Z
Published2026-03-03
Last modified2026-03-05

Underlying weaknesses· 1

CWE-20

References

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

1

TypeTargetConfidenceTier
WeaknessImproper Input Validationcwe-200%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.