CVE-2026-26104
Medium
Description
A flaw was found in the udisks storage management daemon that allows unprivileged users to back up LUKS encryption headers without authorization. The issue occurs because a privileged D-Bus method responsible for exporting encryption metadata does not perform a policy check. As a result, sensitive cryptographic metadata can be read and written to attacker-controlled locations. This weakens the confidentiality guarantees of encrypted storage volumes.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Freedesktop Udisks
PublishedFeb 25, 2026
First seenFeb 25, 2026
Weakness typeCWE-862Missing authorization
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| freedesktop udisks | 2.0.0 | — |
| redhat enterprise_linux | 10.0 | — |
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