CVE-2026-25710 Privilege escalation in plasma-login-manager
A compromised service account can exploit a D-Bus helper to change ownership of arbitrary files, leading to privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-25710?
CVE-2026-25710 is a high-severity vulnerability in KDE plasma-login-manager, published on 13 May 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
The new upstream added a privileged D-Bus helper called plasmaloginauthhelper, which suffers from multiple issues, e.g.aA compromised plasmalogin service account can chown() arbitrary files in the system.
Weakness: CWE-250
Which versions are affected by CVE-2026-25710?
How do I fix CVE-2026-25710?
No fix has been published for CVE-2026-25710 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-25710 being exploited?
There is no known exploitation of CVE-2026-25710 in the wild and no public exploit code.
Sources
Also known as GHSA-wv98-2g94-x84x.