CVE-2026-33945
Incus is a system container and virtual machine manager.
Published Mar 27, 2026 · updated Jun 17, 2026 · linuxcontainers incus
Incus is a system container and virtual machine manager. Incus instances have an option to provide credentials to systemd in the guest. For containers, this is handled through a shared directory. Prior to version 6.23.0, an attacker can set a configuration key named something like to cause Incus to write outside of the directory associated with the container. This makes use of the fact that the Incus syntax for such credentials is where can itself contain more periods. While it's not possible to read any data this way, it's possible to write to arbitrary files as root, enabling both privilege escalation and denial of service attacks. Version 6.23.0 fixes the issue.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Mar 27, 2026 · NIST NVD
Detected
Incus is a system container and virtual machine manager. Incus instances have an option to provide credentials to systemd in the guest. For containers, this is handled through a shared directory. Prior to version 6.23.0, an attacker can set a configuration key named something like to cause Incus to write outside of the directory associated with the container. This makes use of the fact that the In
Jun 17, 2026 · NIST NVD
Updated
Incus is a system container and virtual machine manager. Incus instances have an option to provide credentials to systemd in the guest. For containers, this is handled through a shared directory. Prior to version 6.23.0, an attacker can set a configuration key named something like to cause Incus to write outside of the directory associated with the container. This makes use of the fact that the In
Affected
- cpe linuxcontainers/incusversion unspecified
Sources
- CVE.orgVulnerability recordCVE-2026-33945
Official CVE identifier
cve.org - NIST NVDVulnerability recordCVE-2026-33945
Incus is a system container and virtual machine manager. Incus instances have an option to provide credentials to systemd in the guest. For containers, this is handled through a shared directory. Prior to version 6.23.0, an attacker can set a configuration key named something lik
nvd.nist.gov