POWERSHELL UNIVERSAL · CVE-2026-129137 · Vendor
FIX → 2026.3.5 ✓ verified
Devolutions PowerShell Universal 2026.3.4 and earlier sets insecure default permissions on the agent configuration folder. A local user with no special rights can place a crafted agent configuration file that points the agent at an attacker-controlled server, and the attacker then executes arbitrary code as SYSTEM.
first public Nov 13, 2026 · 2 sources
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Windows hosts running Devolutions PowerShell Universal 2026.3.4 or earlier where an untrusted or low-privileged local user can log on. That user can write a crafted agent configuration file that points the agent at an attacker-controlled server and run code as SYSTEM. Hosts where only administrators log on locally can lower the priority. The advisory does not name the folder path.
Not affected if newer-version, no-local-untrusted-users, version-2026.3.5-or-later
Who cares local-privilege-escalation, powershell-universal, self-hosted, windows
2026.3.4 or earlier is affected, 2026.3.5 or later is fixedIncorrect default permissions in the agent configuration folder in Devolutions PowerShell Universal 2026.3.4 and earlier allows a local unprivileged user to execute arbitrary code as SYSTEM via a crafted agent configuration file that points the agent to an attacker-controlled server.
NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.
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Upgrade to 2026.3.5
2026.3.5 or later (Devolutions DEVO-2026-0042)