Improper access control in Devolutions Server
Priority LOW 20CWE-284Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-284.
Summary
Improper access control in the entry activity log feature in Devolutions Server allows an authenticated user with access to an entry but without the required permission to retrieve that entry's activity logs via a crafted API request. This issue affects : * Devolutions Server 2026.1.6.0 through 2026.1.16.0 * Devolutions Server 2025.3.20.0 and earlier
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00234 14th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Devolutions | Server | 2026.1.6.0 – 2026.1.16.0; up to 2025.3.20.0 | — | No fix listed | CNA |
- Server VendorDevolutions Affected 2026.1.6.0 – 2026.1.16.0; up to 2025.3.20.0 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:devolutions:devolutions_server:*:*:*:*:*:*:*:* | before 2025.3.22.0; 2026.1.6.0 to before 2026.1.19.0 | Vulnerable | Devolutions |
- cpe:2.3:a:devolutions:devolutions_server:*:*:*:*:*:*:*:* Versions before 2025.3.22.0; 2026.1.6.0 to before 2026.1.19.0 Vulnerable ·Devolutions
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-5171
- 2026-10-03 Alias added: GHSA-3q36-9rmf-ffj7
References
More Devolutions Server vulnerabilities
- TI-2026-02787 Improper authentication in Devolutions Server CVSS 3.1CRITICAL 9.8
- TI-2026-02768 Improper input validation in Devolutions Server CVSS 3.1CRITICAL 9.8
- TI-2024-02729 Missing authentication in Devolutions Server CVSS 3.1CRITICAL 9.8
- TI-2026-02702 Improper Enforcement of Behavioral Controls in Devolutions Server 2025.3.15 and earlier… CVSS 3.1CRITICAL 9.8
- TI-2026-00411 SQL injection in Devolutions Server CVSS 3.1CRITICAL 9.8
- TI-2023-00904 SQL injection in Devolutions Server CVSS 3.1HIGH 8.8
Sources
- CVE-2026-5171 · CVE Program
- CVE-2026-5171 · NVD
- FIRST EPSS
- GHSA-3q36-9rmf-ffj7 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences