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Vulnerabilities CVE-2026-7867

CVE-2026-7867

High
Open
TLP:CLEAR

Udisks2: udisks2: local privilege escalation via as-user option spoofing

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Description

A flaw was found in udisks2. A local attacker with an active console session can exploit insufficient authorization checking on the 'as-user' option in the org.freedesktop.UDisks2.Filesystem.Mount() D-Bus method. This allows the attacker to spoof the 'as-user' parameter, mounting filesystems on behalf of arbitrary users, including privileged accounts. This can lead to local privilege escalation through mount point injection and manipulation of the mount namespace visible to privileged users.

Details

CVSS Score
7.8
EPSS Score
0.18%

7.3th percentile

CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Confidence
90%
Published
Aug 6, 2026
Last Modified
Aug 11, 2026
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