How severe is CVE-2026-12755?

CVE-2026-12755 has a CVSS 3.x base score of 2.7, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-12755 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-12755?

CVE-2026-12755 affects Devolutions Devolutions Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-12755?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-12755 have an EU (EUVD) identifier?

Yes. CVE-2026-12755 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-39386.

When was CVE-2026-12755 published?

CVE-2026-12755 was published on 2026-06-25 and last updated on 2026-06-29.

CVE-2026-12755

CVE-2026-12755 is a low-severity vulnerability in Devolutions Devolutions Server with a CVSS 3.x base score of 2.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1284.

Key facts

Severity: Low (CVSS 3.x base score 2.7)
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-39386
Weakness: CWE-1284
Affected product: Devolutions Devolutions Server
Published: 2026-06-25
Last modified: 2026-06-29

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.

Frequently asked questions

What is CVE-2026-12755?: 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.
How severe is CVE-2026-12755?: CVE-2026-12755 has a CVSS 3.x base score of 2.7, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-12755 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-12755?: CVE-2026-12755 affects Devolutions Devolutions Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-12755?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-12755 have an EU (EUVD) identifier?: Yes. CVE-2026-12755 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-39386.
When was CVE-2026-12755 published?: CVE-2026-12755 was published on 2026-06-25 and last updated on 2026-06-29.

References

https://devolutions.net/security/advisories/DEVO-2026-0020/

Affected products (1)

cpe:2.3:a:devolutions:devolutions_server:*:*:*:*:*:*:*:*

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