CVE-2026-12755

Authenticated PAM AD Discovery Credential Exposure via NTLMv2 Challenge‑Response in Devolutions Server

Published Jun 25, 2026 CVSS 3.1 · 2.7 Low EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Devolutions
Devolutions server
Vendors & Products Devolutions
Devolutions server
Type Values Removed Values Added
Title Authenticated PAM AD Discovery Credential Exposure via NTLMv2 Challenge-Response in Devolutions Server Authenticated PAM AD Discovery Credential Exposure via NTLMv2 Challenge‑Response in Devolutions Server
Type Values Removed Values Added
Title Authenticated PAM AD Discovery Credential Exposure via NTLMv2 Challenge-Response in Devolutions Server
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 2.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Weaknesses CWE-1284
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
DEVOLUTIONS
Published
Updated
Jun 25, 2026, 2:52 PM
Reserved
Jun 19, 2026, 7:30 PM
Status
Analyzed
Published
Jun 25, 2026, 2:16 PM
Modified
Oct 25, 2026, 11:10 PM