CVE-2026-86334

Canonical LXD versions 4.0.2 before 4.0.14, 5.0.10, 5.21.8, and 6.10 on all platforms are vulnerable to a path traversal flaw in the CLI client image export and copy functionality. A remote malicious or machine-in-the-middle image server can exploit this by sending a crafted Content-Disposition h...

CVE-2026-86334 CLI Path Traversal via Content-Disposition in LXD Image Export/Copy

Path traversal in the CLI client image export and copy functionality in Canonical LXD from 4.0.2 before 4.0.14, 5.0.10, 5.21.8, and 6.10 on all platforms allows a remote malicious or machine-in-the-middle image server to overwrite arbitrary local files and execute code on the client system via a...

CVE-2026-86334 CLI Path Traversal via Content-Disposition in LXD Image Export/Copy

Path traversal in the CLI client image export and copy functionality in Canonical LXD from 4.0.2 before 4.0.14, 5.0.10, 5.21.8, and 6.10 on all platforms allows a remote malicious or machine-in-the-middle image server to overwrite arbitrary local files and execute code on the client system via a...

EUVD-2026-88255

Path traversal in the CLI client image export and copy functionality in Canonical LXD from 4.0.2 before 4.0.14, 5.0.10, 5.21.8, and 6.10 on all platforms allows a remote malicious or machine-in-the-middle image server to overwrite arbitrary local files and execute code on the client system via a...

CVE-2026-85185: Improper Limitation of a Pathname to a Restricted Directory

Path traversal in the btrfs storage driver in Canonical LXD versions 4.0.2 and later fixed in 4.0.14, 5.0.10, 5.21.8 and 6.10 on Linux allows an authenticated client with permission to create instances in a project to delete arbitrary files on the host as root. On hosts whose root filesystem is...

PT-2026-99892

Name of the Vulnerable Software and Affected Versions Canonical LXD versions prior to 5.0.10 Canonical LXD versions prior to 5.21.8 Canonical LXD versions prior to 6.10 Description An authorization flaw exists in the imageDownload function on Linux. This issue allows a client restricted to a...

CVE-2026-87798: Improper Link Resolution Before File Access

Improper link resolution in the recursive file pull feature of the LXD CLI client in Canonical LXD versions 4.0.2 up to 6.9 fixed in 4.0.14, 5.0.10 and 5.21.8 on Linux allows an attacker with root access inside a virtual machine to write attacker-controlled files or directory trees to arbitrary...

CVE-2026-86334: Improper Limitation of a Pathname to a Restricted Directory

Path traversal in the CLI client image export and copy functionality in Canonical LXD from 4.0.2 before 4.0.14, 5.0.10, 5.21.8, and 6.10 on all platforms allows a remote malicious or machine-in-the-middle image server to overwrite arbitrary local files and execute code on the client system via a...

PT-2026-99890

Name of the Vulnerable Software and Affected Versions Canonical LXD affected versions not specified Description A path traversal issue exists in the Btrfs storage driver within the unpackVolume function. An authenticated user with instance creation privileges can delete or replace arbitrary files...

CVE-2026-97335: Incorrect Authorization

Incorrect authorization in the custom storage volume creation endpoint in Canonical LXD versions 5.0.0 and later fixed in 5.0.10, 5.21.8 and 6.10 on Linux allows an authenticated client with permission to create custom volumes in a project to copy, and so read, any custom storage volume from any...

PT-2026-99899

Name of the Vulnerable Software and Affected Versions Canonical LXD versions 5.0.0 through 5.0.9 Canonical LXD versions 5.1.0 through 5.21.7 Canonical LXD versions 6.0.0 through 6.9.9 Description Incorrect authorization in the custom storage volume creation endpoint allows an authenticated client...

CVE-2026-87799: Improper Link Resolution Before File Access

Improper link resolution in the migration receive path in Canonical LXD versions 4.0 and later fixed in 4.0.14, 5.0.10, 5.21.8 and 6.10 on Linux allows an authenticated client that can create instances or custom storage volumes in a project, or a malicious migration source server, to write...

PT-2026-99894

Name of the Vulnerable Software and Affected Versions Canonical LXD versions 4.0.2 through 4.0.13 Canonical LXD versions 5.0.0 through 5.0.9 Canonical LXD versions 5.1.0 through 5.21.7 Canonical LXD versions 6.0.0 through 6.9 Description Improper link resolution in the recursive file pull feature...

CVE-2026-86335: Missing Authorization

Missing Authorization in imageDownload in Canonical LXD before 5.0.10, 5.21.8, and 6.10 on Linux allows a project-restricted client to access private images from other projects via local fingerprint reuse during image or instance import requests...

PT-2026-99889

Name of the Vulnerable Software and Affected Versions Canonical LXD versions 4.0.2 through 4.0.13 Canonical LXD versions 5.0.0 through 5.0.9 Canonical LXD versions 5.21.0 through 5.21.7 Canonical LXD versions 6.0.0 through 6.9.x Description A path traversal issue exists in the btrfs storage drive...

CVE-2026-85526: Improper Limitation of a Pathname to a Restricted Directory

Path traversal in the Btrfs storage driver unpackVolume in Canonical LXD on Linux allows an authenticated user with instance creation privileges to delete or replace arbitrary files and directories on the host filesystem as root via a crafted subvolumes.path entry in backup/optimizedheader.yaml...

PT-2026-99895

Name of the Vulnerable Software and Affected Versions Canonical LXD versions 4.0 through 4.0.13 Canonical LXD versions 5.0 through 5.0.9 Canonical LXD versions 5.21 through 5.21.7 Canonical LXD versions 6.0 through 6.9 Description Improper link resolution in the migration receive path allows an...

PT-2026-99891

Name of the Vulnerable Software and Affected Versions Canonical LXD versions 4.0.2 through 4.0.13 Canonical LXD version 5.0.10 Canonical LXD version 5.21.8 Canonical LXD version 6.10 Description A path traversal issue exists in the CLI client image export and copy functionality. A remote maliciou...

OESA-2026-4033 edk2 security update

EDK II is a modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications. Security Fixes: An insecure default to allow UEFI Shell in EDK2 was left enabled in LXD. This allows an OS-resident attacker to bypass Secure Boot.CVE-2023-49721...

Security update for lxd (critical)

openSUSE security update: security update for lxd ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:21788-1 Rating: critical References: bsc1223794 bsc1274936 bsc1274937 bsc1274954 bsc1274961 bsc1274963 bsc1275084 bsc1275085 bsc1275090 Cross-Reference...