CVE-2026-55621

Incus has a project restriction bypass for custom volume copy across projects

Published Aug 21, 2026 CVSS 3.1 · 7.7 High EPSS < 1% KEV · Not listed
Description
Incus is a system container and virtual machine manager. Prior to version 7.2.0, missing authorization checks exist for custom volume copying where an attacker knowing the name of a project that they don't have access to and the name of a custom volume in that project can copy the custom volume to a new project. This issue could allow an attacker to access secrets in custom volumes they are not authorized to access. Version 7.2.0 patches the issue.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-6370-1 incus security update
Debian DSA Debian DSA DSA-6373-1 lxd security update
Github GHSA Github GHSA GHSA-64f3-v33m-w89f Incus has a project restriction bypass for custom volume copy across projects
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Lxc
Lxc incus
Vendors & Products Lxc
Lxc incus
Type Values Removed Values Added
Description Incus is a system container and virtual machine manager. Prior to version 7.2.0, missing authorization checks exist for custom volume copying where an attacker knowing the name of a project that they don't have access to and the name of a custom volume in that project can copy the custom volume to a new project. This issue could allow an attacker to access secrets in custom volumes they are not authorized to access. Version 7.2.0 patches the issue.
Title Incus has a project restriction bypass for custom volume copy across projects
Weaknesses CWE-284
References
Metrics cvssV3_1

{'score': 7.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Nov 5, 2026, 11:48 PM
Reserved
Jun 16, 2026, 11:31 PM
Status
Deferred
Published
Aug 21, 2026, 3:16 PM
Modified
Nov 6, 2026, 1:17 AM