CVE-2026-12755: Devolutions Server · Improper validation of specified quantity in input
Affects Devolutions ServerSource CVE Database V5
Not known to be exploited · CVSS 2.7 Low : upgrade to 2026.2.7.0 when convenient.
Data as of 5 Nov 2026, 23:24 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 30% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 2026.2.7.0
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 25 Jun 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 6 Nov 2026.
What to do
Upgrade Devolutions Server to 2026.2.7.0.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| DevolutionsServer | Affected
| Fixed in
|
AI-suggested
If you cannot patch yet, restrict UserGroupsView permissions to trusted users only to reduce risk exposure.
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.