PT-2026-22829 · Devolutions · Devolutions Server

CVE-2026-3204 · Published 2026-03-03 · Updated 2026-03-05

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Devolutions Server versions 2025.3.15 and earlier

Description A flaw exists in the error message page that allows remote attackers to manipulate the displayed error message through a crafted URL. The issue is due to insufficient input validation.

Recommendations Update Devolutions Server to a version later than 2025.3.15.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2026-3204

Affected Products

Devolutions Server

References · 10

• https://devolutions.net/security/advisories/DEVO-2026-0005 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-3204 · Security Note
• https://osv.dev/vulnerability/CVE-2026-3204 · Vendor Advisory
• https://t.me/CVEtracker/46248 · Telegram Post
• https://t.me/cveNotify/154125 · Telegram Post
• https://twitter.com/CVEnew/status/2028959728731070519 · Twitter Post
• https://t.me/cveNotify/154341 · Telegram Post
• https://twitter.com/VulmonFeeds/status/2029098292659847223 · Twitter Post
• https://twitter.com/infoflowcloud/status/2028961484361888041 · Twitter Post
• https://twitter.com/TheHackerWire/status/2029230683772907524 · Twitter Post