CVE-2026-26103
A flaw was found in the udisks storage management daemon that exposes a privileged D-Bus API for restoring LUKS encryption headers without p
CVSS
7.1
Alto
EPSS
0.1%
p1
KEV
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Exploit Today
0
0-100
Publicado: 25 feb 2026 · Última mod.: 15 jul 2026 · CWE-862
0.1%EPSS · 30 días0.1%
2026-09-242026-10-22
A flaw was found in the udisks storage management daemon that exposes a privileged D-Bus API for restoring LUKS encryption headers without proper authorization checks. The issue allows a local unprivileged user to instruct the root-owned udisks daemon to overwrite encryption metadata on block devices. This can permanently invalidate encryption keys and render encrypted volumes inaccessible. Successful exploitation results in a denial-of-service condition through irreversible data loss.
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:3476
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:5831
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-26103
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2433719
- github.comhttps://github.com/storaged-project/udisks/security/advisories/GHSA-c75h-phf8-ccjm
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:3476
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:5831
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-26103
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2433719
- security.access.redhat.comhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-26103.json
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