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CVE-2026-26103

27
FAUCET Score

CVE-2026-26103 describes a flaw in the udisks storage management daemon affecting freedesktop and Red Hat Enterprise Linux distributions. This vulnerability allows a local unprivileged user to overwrite LUKS encryption headers without proper authorization. The attack has low complexity and requires local access, leading to a high impact of irreversible data loss and denial-of-service for encrypted volumes. Currently, there is no evidence of active exploitation, and public exploit code is unavailable, though it has garnered some community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
10.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*
2.0.0CPE matchmatch criteria
cpe:2.3:a:freedesktop:udisks:2.0.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.1HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.07%
Probability of exploitation in next 30 days
EPSS Percentile
0.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0008 is in the 1st percentile among its peer group of 17,070 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (2)

redhatvendor investigatingvia nvd_reference
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 10Fixed in: udisks2

Vendor Advisories (1)

redhatCVE-2026-26103Important

udisks: Missing Authorization Check Allows Unprivileged Users to Restore LUKS Headers via udisks D-Bus API

Feb 25, 2026

References

security.access.redhat.com / data/csaf/v2/vex/2026/cve-2026-26103.json
access.redhat.com / errata/RHSA-2026:3476
access.redhat.com / errata/RHSA-2026:5831
access.redhat.com / security/cve/CVE-2026-26103
Vendor Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingVendor Advisory
github.com / storaged-project/udisks/security/advisories/GHSA-c75h-phf8-ccjm