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CVE PROGRAM SOURCE RECORD9.9 Critical

CVE-2026-62941

Incus: Cross-project instance copy bypasses target project restrictions via TOCTOU in config merge

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Status
Published
Published
Updated
Assigning organization
GitHub_M

Description

Incus is a system container and virtual machine manager. Prior to version 7.3.0, when copying an instance across projects, the project restriction check (`AllowInstanceCreation`) runs BEFORE the source instance's configuration is merged into the request. Dangerous configuration keys (including `security.privileged`, `raw.lxc`, `raw.apparmor`) from the source instance are merged AFTER the check passes, bypassing all project restrictions on the target project. Version 7.3.0 patches the issue.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

lxc incus

  • < 7.3.0affected

References