CVE-2026-13437: Insertion of sensitive information into sent data in the AI Agent job API in Devolutions PowerShell Universal

Routine

MEDIUM 6.5DOWNGRADE

CVE-2026-13437 is a medium-severity flaw (CVSS 6.5) affecting powershell universal. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Insertion of sensitive information into sent data in the AI Agent job API in Devolutions PowerShell Universal 2026.2.0 allows an authenticated user with AI Agent read access to obtain reusable, potentially higher-privileged authentication tokens via App Tokens serialized in plaintext in job API responses.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-201
Published	2026-06-29
Last modified	2026-10-25

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

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-29 16:16 UTCPublished CVE record published
2026-10-25 21:10 UTCUpdated Record last modified

devolutions powershell universal DOWNGRADE

Affected: 2026.2.0.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2026.2.0.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2026.2.0.0 (Debian / Ubuntu)

apt-cache madison powershell-universal sudo apt install powershell-universal=<VERSION_BEFORE_2026.2.0.0> sudo apt-mark hold powershell-universal

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list powershell-universal sudo dnf downgrade powershell-universal-<VERSION_BEFORE_2026.2.0.0> sudo dnf versionlock add powershell-universal

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2026-13437?

powershell universal: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-13437 being exploited?

CVE-2026-13437 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-2026-13437 affect?

CVE-2026-13437 affects powershell universal. Severity is medium (CVSS 6.5). Insertion of sensitive information into sent data in the AI Agent job API in Devolutions PowerShell Universal 2026.2.0 allows an authenticated user with AI Agent read access to obtain reusable, potentially higher-privileged authentication t

How urgent is CVE-2026-13437?

Priority 32/100. No elevated risk signals yet.

Software pages

PowerShell vulnerabilities

Related CVEs

CVE-2026-16800 HIGH 8.8 UPGRADE Improper control of generation of code ('Code Injection') in the schedule feature in Devolutions PowerShell Un
CVE-2026-16801 HIGH 8.8 UPGRADE Improper control of generation of code ('Code Injection') in the variables feature in Devolutions PowerShell U
CVE-2026-16798 MEDIUM 6.5 UPGRADE Insertion of sensitive information into sent data in the automation jobs API in Devolutions PowerShell Univers
CVE-2026-16802 MEDIUM 6.5 UPGRADE Cleartext storage of sensitive information in the variables feature in Devolutions PowerShell Universal 2026.2
CVE-2026-16799 MEDIUM 5.0 UPGRADE Improper access control in the automation tests and workflows features in Devolutions PowerShell Universal 202

References

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