CVE-2026-12411: high-severity vulnerability in Canonical lxd
Broken Access Control in Canonical LXD DevLXD API
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.4epss 0.3%
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.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
Affected products
Canonical · lxdRelated CVEs — Canonical lxd
In the same product, most dangerous first.
CVE-2026-28384CRITICALAuthenticated RCE via unsanitized compression_algorithmEPSS 0.7%CVE-2026-34178CRITICALImporting a crafted backup leads to project restriction bypassEPSS 0.4%CVE-2026-34177CRITICALVM lowlevel restriction bypass via raw.apparmor and raw.qemu.confEPSS 0.4%CVE-2026-28385MEDIUMSSRF via image import from URL allows internal network probing by authenticated usersEPSS 0.3%CVE-2026-34179CRITICALUpdate of type field in restricted TLS certificate allows privilege escalation to cluster adminEPSS 0.3%CVE-2026-3351LOWAuthorization Bypass in LXD GET /1.0/certificates EndpointEPSS 0.2%