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Vulnerability record · CVE-2026-62867 · published 21 August 2026

CVE-2026-62867: Argument injection vulnerability

Incus is a system container and virtual machine manager. Prior to version 7.3.0, improper validation of user-provided `block.create_options` in storage volume configuration leads to argument injection in the constructed filesystem creation command line. This allows a project-scoped user to inject arbitrary arguments into the binary executed as root. Version 7.3.0 patches the issue.

9.9 CVSS 3.1 Critical EPSS 0.52% · top 58.3% CWE-88 · Argument injection Deferred
9.9CVSS 3.1 base score
0.52%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, improper validation of user-provided `block.create_options` in storage volume configuration leads to argument injection in the constructed filesystem creation command line. This allows a project-scoped user to inject arbitrary arguments into the binary executed as root. 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-q7xw-r4w2-2wcm

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Source: NIST National Vulnerability Database (record CVE-2026-62867), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.