Improper Access Control in Devolutions Server Affects User Activity Logs
CVE-2026-5171

4.3MEDIUM

Key Information:

Vendor

Devolutions

Status
Server
Vendor
CVE Published:
22 May 2026

What is CVE-2026-5171?

An improper access control vulnerability in the entry activity log feature of Devolutions Server allows authenticated users to exploit a flaw via crafted API requests. This enables access to activity logs of entries for which they do not possess the necessary permissions, potentially exposing sensitive operational details. Affected versions include Devolutions Server 2026.1.6.0 through 2026.1.16.0 and 2025.3.20.0 or earlier. It is crucial for users to assess their systems for this vulnerability and apply the appropriate security measures.

Affected Version(s)

Server 2026.1.6.0 <= 2026.1.16.0

Server 0 <= 2025.3.20.0

References

https://devolutions.net/security/advisories/DEVO-2026-0013/

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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