incus: In Canonical LXD before 6.8, the backup import path validates project restrictions against backup/index.yaml in the s...
CVE-2026-34178 is fixed in 3 products on 1 platform, first by DEBIAN-CVE-2026-34178, released April 9, 2026. It is not reported as exploited. Patch Radar priority: Urgent.
In Canonical LXD before 6.8, the backup import path validates project restrictions against backup/index.yaml in the supplied tar archive but creates the instance from backup/container/backup.yaml, a separate file in the same archive that is never checked against project restrictions. An authenticated remote attacker with instance-creation permission in a restricted project can craft a backup archive where backup.yaml carries restricted settings such as security.privileged=true or raw.lxc directives, bypassing all project restriction enforcement and allowing full host compromise.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| govulncheck-vulndb · opensuse-leap 16.0 | 0.0.20260827T195228-160000.1.1 | OPENSUSE-SU-2026:21761-1 | Sep 4, 2026 |
| govulncheck-vulndb · sles 16.0 | 0.0.20260827T195228-160000.1.1 | SUSE-SU-2026:23625-1 | Sep 4, 2026 |
| incus · Debian 13.5 (trixie) | 6.0.4-2+deb13u6 | DEBIAN-CVE-2026-34178 | Apr 9, 2026 |
| incus · Debian 14 | 6.0.6-3 | DEBIAN-CVE-2026-34178 | Apr 9, 2026 |
| lxd · Debian 13.5 (trixie) | 5.0.2+git20231211.1364ae4-9+deb13u5 | DEBIAN-CVE-2026-34178 | Apr 9, 2026 |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.