CVE-2026-25710

HIGH

KDE plasma-login-manager - Privilege Escalation via plasmaloginauthhelper D-Bus Helper

Title source: llm

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.

References (3)

Core 3

Core References

https://security.opensuse.org/2026/04/27/plasma-login-manager.html#6-upstream-bugfix

https://bugzilla.suse.com/show_bug.cgi?id=CVE-2026-25710

Mailing List

http://www.openwall.com/lists/oss-security/2026/04/27/1

Scores

CVSS v4 7.0

EPSS 0.0001

EPSS Percentile 3.0%

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-250

Status published

Products (1)

KDE/plasma-login-manager < ?

Published May 13, 2026

Tracked Since May 13, 2026