CVE catalog
CVE-2026-12411
Broken Access Control in the devLXDInstancePatchHandler component of Canonical LXD allows an untrusted guest to mount, read, and overwrite another guest's custom storage volume via a crafted device PA
- Severity
- High · CVSS 8.4
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.29% · Oct 25, 2026
Broken Access Control in the devLXDInstancePatchHandler component of Canonical LXD allows an untrusted guest to mount, read, and overwrite another guest's custom storage volume via a crafted device PATCH request over /dev/lxd when security.devlxd.management.volumes is enabled.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | lxd | trixie | 5.0.2+git20231211.1364ae4-9+deb13u7 | not affected |
| Debian | lxd | trixie-security | 5.0.2+git20231211.1364ae4-9+deb13u7 | not affected |
| Debian | lxd | bookworm | 5.0.2-5+deb12u6 | not affected |
| Debian | lxd | bookworm-security | 5.0.2-5+deb12u6 | not affected |
| Cpe | lxd | Not reported | 6.9 | fixed |
| Cpe | lxd | Not reported | 6.9 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | lxd | source | trixie | Not affected | unimportant | Not reported | Not reported |
| Debian | lxd | source | bookworm | Not affected | unimportant | Not reported | Not reported |
| Cpe | lxd | cpe | Not reported | 6.9 | Not reported | Not reported | Not reported |
| Cpe | lxd | cpe | Not reported | 6.9 | Not reported | NVD-CVE-2026-12411 | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [lxd]Not affected
Details (4)
5.0.2-5+deb12u6· amd64 · bookwormNot affected
nvd · lxd · debian · bookworm
5.0.2-5+deb12u6· arm64 · bookwormNot affected
nvd · lxd · debian · bookworm
5.0.2-5+deb12u6· amd64 · bookworm-securityNot affected
nvd · lxd · debian · bookworm
5.0.2-5+deb12u6· arm64 · bookworm-securityNot affected
nvd · lxd · debian · bookworm
- [lxd-agent]Not affected
Source package: [lxd]
Details (4)
5.0.2-5+deb12u6· amd64 · bookwormNot affected
nvd · lxd · debian · bookworm
5.0.2-5+deb12u6· arm64 · bookwormNot affected
nvd · lxd · debian · bookworm
5.0.2-5+deb12u6· amd64 · bookworm-securityNot affected
nvd · lxd · debian · bookworm
5.0.2-5+deb12u6· arm64 · bookworm-securityNot affected
nvd · lxd · debian · bookworm
- [lxd-client]Not affected
Source package: [lxd]
Details (4)
5.0.2-5+deb12u6· amd64 · bookwormNot affected
nvd · lxd · debian · bookworm
5.0.2-5+deb12u6· arm64 · bookwormNot affected
nvd · lxd · debian · bookworm
5.0.2-5+deb12u6· amd64 · bookworm-securityNot affected
nvd · lxd · debian · bookworm
5.0.2-5+deb12u6· arm64 · bookworm-securityNot affected
nvd · lxd · debian · bookworm
- [lxd-migrate]Not affected
Source package: [lxd]
Details (4)
5.0.2-5+deb12u6· amd64 · bookwormNot affected
nvd · lxd · debian · bookworm
5.0.2-5+deb12u6· arm64 · bookwormNot affected
nvd · lxd · debian · bookworm
5.0.2-5+deb12u6· amd64 · bookworm-securityNot affected
nvd · lxd · debian · bookworm
5.0.2-5+deb12u6· arm64 · bookworm-securityNot affected
nvd · lxd · debian · bookworm
- [lxd-tools]Not affected
Source package: [lxd]
Details (4)
5.0.2-5+deb12u6· amd64 · bookwormNot affected
nvd · lxd · debian · bookworm
5.0.2-5+deb12u6· arm64 · bookwormNot affected
nvd · lxd · debian · bookworm
5.0.2-5+deb12u6· amd64 · bookworm-securityNot affected
nvd · lxd · debian · bookworm
5.0.2-5+deb12u6· arm64 · bookworm-securityNot affected
nvd · lxd · debian · bookworm
Observed:
References
- [https://github.com/canonical/lxd/pull/18585]
- [https://github.com/canonical/lxd/security/advisories/GHSA-hhf9-qw4v-72xp]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-12411]
- [https://security-tracker.debian.org/tracker/CVE-2026-12411]
[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)]