CVE-2026-9640

A privilege escalation vulnerability exists in LXD from 6.0 before 6.9, 5.21.0 before 5.21.5, and 5.0.0 before 5.0.7 regarding the handling of project-restriction policies during snapshot restoration.. An authenticated project operator in a restricted multi-tenant environment can bypass policy...

CVE-2026-9640 LXD Snapshot Import Privilege Escalation Vulnerability

A privilege escalation vulnerability exists in LXD from 6.0 before 6.9, 5.21.0 before 5.21.5, and 5.0.0 before 5.0.7 regarding the handling of project-restriction policies during snapshot restoration.. An authenticated project operator in a restricted multi-tenant environment can bypass policy...

CVE-2026-9639

Nil-pointer dereference in CreateCustomVolumeFromBackup in LXD up to version 6.8 and 5.21 on Linux allows an authenticated user with cancreatestoragevolumes permissions to cause a denial of service via a specially crafted custom-volume backup tarball that omits the expiresat snapshot field...

CVE-2026-9639

CVE-2026-9639 describes a nil-pointer dereference in LXD’s CreateCustomVolumeFromBackup. On Linux, affected versions are up to 6.8 and 5.21. An authenticated user with the ability to can_create_storage_volumes can trigger a denial of service by supplying a specially crafted custom-volume backup t...

CVE-2026-9639 Authenticated Denial of Service via Malicious Backup Tarball in LXD

Nil-pointer dereference in CreateCustomVolumeFromBackup in LXD up to version 6.8 and 5.21 on Linux allows an authenticated user with cancreatestoragevolumes permissions to cause a denial of service via a specially crafted custom-volume backup tarball that omits the expiresat snapshot field...

CVE-2026-12411

CVE-2026-12411 concerns Canonical LXD where the devLXDInstancePatchHandler component suffers a broken access control, allowing an untrusted guest to mount, read, and overwrite another guest’s custom storage volume via a crafted device PATCH to /dev/lxd when security.devlxd.management.volumes is e...

EUVD-2026-39788

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...

CVE-2026-12411 Broken Access Control in Canonical LXD DevLXD API

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...

CVE-2026-12411 Broken Access Control in Canonical LXD DevLXD API

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...

PT-2026-52844

Name of the Vulnerable Software and Affected Versions LXD versions 6.0 through 6.8 LXD versions 5.21.0 through 5.21.4 LXD versions 5.0.0 through 5.0.6 Description An issue exists in the handling of project-restriction policies during snapshot restoration. An authenticated project operator in a...

USN-8447-2 lxd vulnerabilities

USN-8447-1 fixed vulnerabilities in Go Cryptography. This update provides the corresponding updates for Go Cryptography code embedded in LXD for CVE-2026-39830, CVE-2026-39833, CVE-2026-39834, and CVE-2026-42508. Original advisory details: It was discovered that Go Cryptography did not properly...

CVE-2026-34178

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...

CVE-2026-34179

In Canonical LXD versions 4.12 through 6.7, the doCertificateUpdate function in lxd/certificates.go does not validate the Type field when handling PUT/PATCH requests to /1.0/certificates/fingerprint for restricted TLS certificate users, allowing a remote authenticated attacker to escalate...

CVE-2026-34177

Canonical LXD versions 4.12 through 6.7 contain an incomplete denylist in isVMLowLevelOptionForbidden lxd/project/limits/permissions.go, which omits raw.apparmor and raw.qemu.conf from the set of keys blocked under the restricted.virtual-machines.lowlevel=block project restriction. A remote...

ROS-20260513-73-0018

Vulnerability in lxd related to insufficient input validation. Exploitation of the vulnerability could allow an attacker acting remotely to cause a denial of service...

[SECURITY] [DSA 6247-1] lxd security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6247-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff May 04, 2026 https://www.debian.org/security/faq -...

Debian dsa-6247 : golang-github-canonical-lxd-dev - security update

The remote Debian 12 / 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6247 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6247-1 [email protected]...

PT-2026-33777

Name of the Vulnerable Software and Affected Versions Glances versions prior to 4.5.4 Description A Server-Side Request Forgery SSRF issue exists in the Glances IP plugin due to improper validation of the public api configuration parameter. The value of public api is passed directly to the urlope...

Debian dsa-6213 : golang-github-canonical-lxd-dev - security update

The remote Debian 12 / 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6213 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6213-1 [email protected]...

PT-2026-33778

Name of the Vulnerable Software and Affected Versions Glances versions prior to 4.5.4 Description The Cassandra export module glances/exports/glances cassandra/ init .py interpolates configuration values directly into CQL statements without validation. A user with write access to glances.conf can...