CVE-2026-8694 Improper access control on the API documentation endpoint in PowerShell Universal

What is CVE-2026-8694?

CVE-2026-8694 is a medium-severity missing authorization vulnerability in Devolutions PowerShell Universal, published on 12 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Improper access control in Devolutions PowerShell Universal 2026.1.7 and earlier allows an unauthenticated remote attacker to obtain the OpenAPI specification of user-defined REST endpoints.

Weakness: CWE-306

Which versions are affected by CVE-2026-8694?

It affects 1 product.

Products include Ironmansoftware Powershell Universal.

How do I fix CVE-2026-8694?

No fix has been published for CVE-2026-8694 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-8694 being exploited?

There is no known exploitation of CVE-2026-8694 in the wild and no public exploit code.

Other vulnerabilities in Devolutions PowerShell Universal

• CVE-2023-49213 Command injection in n/a High 8.8
• CVE-2022-45183 Privilege escalation in n/a High 8.8
• CVE-2026-4064 Missing authorization in PowerShell Universal High 8.3
• CVE-2022-45184 Path traversal in n/a High 7.2
• CVE-2026-0618 Cross-site scripting in PowerShell Universal Medium 6.1

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-23xj-gqpq-c6g6.