CVE-2026-3204Disclosure(devolutions / devolutions_server)

LOWCVSS 9.8 · CRITICAL

Signal is active with 2 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD 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.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-20

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • devolutions_server

Threat summary

  • 4 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 4 signals
  • Disclosure: 4 classified signals
  • Peaked 1d ago at 2 mentions (2026-03-03); latest day: 2
  • 4 total mentions across 2 days

Affected systems

Products
devolutions_server

Deep dive

Activity timeline4 mentions / 2d
01122Mentions · 2026-03-03: 2Mentions · 2026-03-04: 2Technical Details · 2026-03-03: 2Technical Details · 2026-03-04: 203-0303-04
Signal classification1 categories
Disclosure
4100.0%
Referenced assets4 URLs
Full discourse4 posts
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-3204 URL Spoofing via Improper Input Validation in Devolutions Server 2025.3.15 and Earlier https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-3204

    Post summary

    A new CVE (CVE-2026-3204) has been disclosed, describing URL spoofing via improper input validation in Devolutions Server 2025.3.15 and earlier.

    0001046
    4.0K followersView on X
  • The Hacker Wire@TheHackerWire
    Disclosure

    🔴 CVE-2026-3204 - Critical Improper input validation in the error message page in Devolutions Server 2025.3.15 and earlier allows remote attackers to spoof the displayed error message via a specially crafted URL. https://www.thehackerwire.com/vulnerability/CVE-2026-3204/ https://t.co/KXUrO1O6B2

    Post summary

    The post announces the discovery of a critical vulnerability (CVE-2026-3204) in Devolutions Server that allows HTTP URL-based error message spoofing.

    0000049
    121 followersView on X
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-3204 Improper input validation in the error message page in Devolutions Server 2025.3.15 and earlier allows remote attackers to spoof the displayed error message via a spec… https://www.cve.org/CVERecord?id=CVE-2026-3204 ----- Traducción: CVE-2026-3204 Val… http://infoflow.cloud`

    Post summary

    The post announces CVE-2026-3204, describing an input‑validation flaw that lets attackers spoof error messages in Devolutions Server, but it provides no PoC, exploit, or patch details.

    0000029
    55 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-3204 Improper input validation in the error message page in Devolutions Server 2025.3.15 and earlier allows remote attackers to spoof the displayed error message via a spec… https://www.cve.org/CVERecord?id=CVE-2026-3204

    Post summary

    CVE-2026-3204 is an improper input validation flaw in Devolutions Server's error message page that lets remote attackers spoof error messages.

    00000231
    56.6K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appdevolutionsdevolutions_server---

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