Improper input validation in the PAM AD discovery endpoints in Devolutions Server…
Priority LOW 14CWE-1284Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
Improper input validation in the PAM AD discovery endpoints in Devolutions Server 2026.2.4.0 through 2026.2.7.0 allows an authenticated user with the UserGroupsView permission to coerce server-side authentication to an attacker-controlled host, exposing PAM provider credentials as a NTLMv2 challenge-response, via a crafted DomainName parameter.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00365 30th percentileScored 2026-11-07
Fix Fixed Server (Devolutions): 2026.2.7.0
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 | 2026.2.4.0 to before 2026.2.7.0 | 2026.2.7.0 | Patch available | CNA |
- Server VendorDevolutions Affected 2026.2.4.0 to before 2026.2.7.0 Fixed in 2026.2.7.0 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:devolutions:devolutions_server:*:*:*:*:*:*:*:* | 2026.2.4.0 to before 2026.2.9.0 | Vulnerable | Devolutions |
- cpe:2.3:a:devolutions:devolutions_server:*:*:*:*:*:*:*:* Versions 2026.2.4.0 to before 2026.2.9.0 Vulnerable ·Devolutions
Remediation
- Fix · CNA Server (Devolutions) Fixed in 2026.2.7.0
Timeline
- 2026-10-02 Threatist record created from CVE-2026-12755
- 2026-10-03 Alias added: GHSA-6vpw-rmvh-qc2w
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-2026-12755 · CVE Program
- CVE-2026-12755 · NVD
- FIRST EPSS
- GHSA-6vpw-rmvh-qc2w · 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