PT-2026-22731 · Canonical · Lxd

Bugbunny-Research · Published 2026-03-03 · Updated 2026-03-25 · CVE-2026-3351

Positive Technologies (AI Summary)

CVSS v4.0

5.3

Medium

Base vector

AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions Canonical LXD version 6.6

Description An authorization issue exists in the API endpoint GET /1.0/certificates. An authenticated user with restricted privileges can list all certificate fingerprints trusted by the LXD server.

Recommendations Update to a newer version that contains a fix for this vulnerability. As a temporary workaround, restrict access to the GET /1.0/certificates API endpoint.

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2026-3351

GHSA-CRMG-9M86-636R

GO-2026-4595

SUSE-SU-2026:1042-1

Affected Products

Lxd

References · 140

• https://github.com/canonical/lxd/commit/d936c90d47cf0be1e9757df897f769e9887ebde1 · Patch
• https://github.com/canonical/lxd/security/advisories/GHSA-crmg-9m86-636r · Vendor Advisory
• https://github.com/canonical/lxd/pull/17738 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2026:1042-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-3351 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-crmg-9m86-636r · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-3351 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-3351 · Security Note
• https://osv.dev/vulnerability/GO-2026-4595 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-3351 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-3351 · Vendor Advisory
• https://github.com/canonical/lxd · Note
• https://suse.com/security/cve/CVE-2026-28682 · Note
• https://twitter.com/CVEnew/status/2028820658520723870 · Twitter Post
• https://suse.com/security/cve/CVE-2026-29042 · Note