CVE-2026-55622: high-severity vulnerability in lxc incus
Incus has a project restriction bypass in instance copy across projects
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.7epss 0.3%
Incus is a system container and virtual machine manager. Prior to version 7.2.0, missing authorization checks exist for instance copying where an attacker knowing the name of a project that they don't have access to and the name of an instance in that project can copy the instance to a new project. This issue could allow an attacker to access secrets in instances they are not authorized to access. Version 7.2.0 patches the issue.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Affected products
lxc · incusRelated CVEs — lxc incus
In the same product, most dangerous first.
CVE-2026-23954HIGHIncus container image templating arbitrary host file read and writeEPSS 0.8%CVE-2026-48769CRITICALIncus has an arbitrary file write on its client due to trusted image hashEPSS 0.7%CVE-2026-48755CRITICALIncus has an argument injection in backup compression algorithm leading to AFW and ACEEPSS 0.7%CVE-2026-48753CRITICALIncus has an arbitrary file write via path traversal in S3 multipart uploadEPSS 0.7%CVE-2026-48752CRITICALIncus has arbitrary file read+write on host via templates/ symlink in malicious imageEPSS 0.7%CVE-2026-48750CRITICALIncus has an arbitrary file write on host via `exec-output` symlink in crafted imageEPSS 0.7%
References
https://discuss.linuxcontainers.org/t/incus-7-2-has-been-released/26879https://github.com/canonical/lxd/security/advisories/GHSA-qx75-2p3r-pwm5https://github.com/lxc/incus/commit/1e3ffc53a10950e55de62ac1e0d612be597b84ebhttps://github.com/lxc/incus/pull/3542https://github.com/lxc/incus/releases/tag/v7.2.0https://github.com/lxc/incus/security/advisories/GHSA-c9f5-j9c3-mhrg