CVE-2026-8694: Improper access control in Devolutions PowerShell Universal 2026.1.7 and earlier allows an unauthenticated rem

Q: How do I fix CVE-2026-8694?

powershell universal: upgrade to 2026.1.7. Exact commands for each OS are on this page.

Q: Is CVE-2026-8694 being exploited?

CVE-2026-8694 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-8694 affect?

CVE-2026-8694 affects powershell universal. Severity is medium (CVSS 5.3). 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.

Q: How urgent is CVE-2026-8694?

Priority 27/100. Remotely exploitable, no login, no user action

Routine

MEDIUM 5.3REMOTEUPGRADE

CVE-2026-8694 is a medium-severity flaw (CVSS 5.3) affecting powershell universal. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 87%)
CISA exploited list	No
Weakness	CWE-306
Published	2026-06-12
Last modified	2026-10-26

Publisher (CNA): Devolutions Inc. · Vendor: ironmansoftware

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-12 15:16 UTCPublished CVE record published
2026-10-26 11:10 UTCUpdated Record last modified

ironmansoftware powershell universal UPGRADE

Affected: < 2026.1.7

Fixed in: 2026.1.7

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy powershell-universal || rpm -q powershell-universal || powershell-universal --version

2. UPGRADE to 2026.1.7 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade powershell-universal

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade powershell-universal

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-8694?

powershell universal: upgrade to 2026.1.7. Exact commands for each OS are on this page.

Is CVE-2026-8694 being exploited?

CVE-2026-8694 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-8694 affect?

CVE-2026-8694 affects powershell universal. Severity is medium (CVSS 5.3). 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.

How urgent is CVE-2026-8694?

Priority 27/100. Remotely exploitable, no login, no user action

Software pages

PowerShell vulnerabilities

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References

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