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Vulnerability record · CVE-2026-62940 · published 21 August 2026

CVE-2026-62940: Missing authorization vulnerability

Incus is a system container and virtual machine manager. Prior to version 7.3.0, when migrating an instance to another cluster member, user-supplied configuration overrides (including security-critical keys like `security.privileged` and `raw.lxc`) are applied without any project restriction enforcement, allowing a restricted project user to escalate to a privileged container and escape to the host. Version 7.3.0 patches the issue.

9.9 CVSS 3.1 Critical EPSS 0.42% · top 66.5% CWE-862 · Missing authorization Deferred
9.9CVSS 3.1 base score
0.42%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
18 Sep 2026Last modified by NVD

Description

Incus is a system container and virtual machine manager. Prior to version 7.3.0, when migrating an instance to another cluster member, user-supplied configuration overrides (including security-critical keys like `security.privileged` and `raw.lxc`) are applied without any project restriction enforcement, allowing a restricted project user to escalate to a privileged container and escape to the host. Version 7.3.0 patches the issue.

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

References

LinkTags
https://github.com/lxc/incus/security/advisories/GHSA-qw5c-v953-38gw

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Source: NIST National Vulnerability Database (record CVE-2026-62940), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.