Security readout for executives and security teams
Plain-English summary
Devolutions Server versions 2025.3.14.0 and earlier have an access-control flaw in multiple DVLS REST API endpoints. A user who should only view limited content may access sensitive connection data. This is primarily a confidentiality risk for organizations relying on DVLS to protect privileged connection information.
Executive priority
Treat as a timely confidentiality issue, especially if DVLS stores privileged or sensitive connection records. Prioritize inventory, vendor guidance review, and patch planning. Escalate if many low-privilege users have access or if DVLS is reachable from broad internal networks.
Technical view
CVE-2026-3131 is a CWE-200 issue affecting Devolutions Server 2025.3.14.0 and earlier. The CVSS 3.1 score is 6.5: network-accessible, low complexity, low privileges required, no user interaction, unchanged scope, high confidentiality impact, and no integrity or availability impact stated.
Likely exposure
Exposure is limited to environments running affected Devolutions Server versions where authenticated users have view-only permissions and network access to DVLS REST API endpoints.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. Abuse requires an authenticated account with low privileges. The main business concern is unintended disclosure of sensitive connection data, which may support later intrusion if credentials or connection details are exposed.
Researcher notes
The bundle identifies multiple affected REST API endpoints but does not name them or provide a fixed version. Do not assume exploit availability. The affected-version metadata appears sparse, so rely on the description stating Devolutions Server 2025.3.14.0 and earlier.
Mitigation direction
- Identify Devolutions Server instances and confirm whether they are 2025.3.14.0 or earlier.
- Review Devolutions advisory DEVO-2026-0004 for fixed versions or vendor-prescribed mitigations.
- Update affected systems if a vendor-supported fixed release is available.
- Restrict DVLS REST API access to trusted networks where feasible.
- Review and minimize view-only user access until remediation is complete.
Validation and detection
- Inventory DVLS versions across production, test, and backup environments.
- Confirm whether any instance is 2025.3.14.0 or earlier.
- Review user accounts with view-only permissions.
- Check logs for unusual access to connection data by low-privilege users.
- Track remediation against the vendor advisory and CVE record.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-200: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-3131 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N2.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://devolutions.net/security/advisories/DEVO-2026-0004/CVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Exposure of Sensitive Information to an Unauthorized Actor
Exposure of Sensitive Information to an Unauthorized Actor represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.