CVE-2026-3351

low-risk

Published 2026-03-03

Improper authorization in the API endpoint GET /1.0/certificates in Canonical LXD 6.6 on Linux allows an authenticated, restricted user to enumerate all certificate fingerprints trusted by the lxd server.

Do I need to act?

0.02% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 4.3/10 Medium

NETWORK / LOW complexity

Affected Products (1)

Lxd

Affected Vendors

Canonical

References (3)

Patch https://github.com/canonical/lxd/commit/d936c90d47cf0be1e9757df897f769e9887ebde1

Issue Tracking https://github.com/canonical/lxd/pull/17738

Exploit https://github.com/canonical/lxd/security/advisories/GHSA-crmg-9m86-636r

/ 100

low-risk

Severity 18/34 · Moderate

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal