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CVE-2026-8694 Devolutions CVE debrief

CVE-2026-8694 is a MEDIUM-severity vulnerability (CVSS Score: 5.3) affecting Devolutions PowerShell Universal 2026.1.7 and earlier. The vulnerability is caused by improper access control, allowing an unauthenticated remote attacker to obtain the OpenAPI specification of user-defined REST endpoints.

Vendor
Devolutions
Product
PowerShell Universal
CVSS
MEDIUM 5.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-12
Original CVE updated
2026-06-15
Advisory published
2026-06-12
Advisory updated
2026-06-15

Who should care

Users of Devolutions PowerShell Universal 2026.1.7 and earlier should be aware of this vulnerability and take necessary actions to mitigate the risk.

Technical summary

The vulnerability has a CVSS vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N and is classified under CWE-306. The CVE record was published on [cve-org](https://www.cve.org/CVERecord?id=CVE-2026-8694) and additional details can be found on [nvd](https://nvd.nist.gov/vuln/detail/CVE-2026-8694).

Defensive priority

MEDIUM

Recommended defensive actions

  • Apply the necessary patches or updates to Devolutions PowerShell Universal as recommended by the vendor.
  • Review and restrict access to user-defined REST endpoints.
  • Monitor for any suspicious activity related to the affected endpoints.

Evidence notes

The vendor is identified as Devolutions based on [ref-4](https://devolutions.net/security/advisories/DEVO-2026-0016/).

Sources and references

Verified primary and authoritative sources

  • CVE-2026-8694 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-8694

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-8694 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-8694

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.