USN-8829-1: Plasma Workspace vulnerability
Publication date
28 September 2026
Overview
Plasma Workspace could allow unintended access to user sessions.
Releases
Packages
- plasma-workspace - Plasma Workspace for KF5
Details
Fabian Vogt discovered that Plasma Workspace did not properly authenticate
local clients connecting to the session manager. A local attacker could
possibly use this issue to execute arbitrary code as another user.
Fabian Vogt discovered that Plasma Workspace did not properly authenticate
local clients connecting to the session manager. A local attacker could
possibly use this issue to execute arbitrary code as another user.
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 16.04 LTS xenial | plasma-workspace – 4:5.5.5.2-0ubuntu1.1+esm1 | ||
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