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TI-2026-02894 Aliases CVE-2026-3351GHSA-crmg-9m86-636r

Authorization Bypass in LXD GET /1.0/certificates Endpoint

Priority LOW 10CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-862.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00154 4th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed github.com/canonical/lxd (Go): 0.0.0-20260224152359-d936c90d47cf

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Canonicallxd6.6—No fix listedCNA
—github.com/canonical/lxd (Go)before 0.0.0-20260224152359-d936c90d47cf0.0.0-20260224152359-d936c90d47cfPatch availableGHSA-crmg-9m86-636r
  • lxd VendorCanonical Affected 6.6 Fixed in — No fix listed CNA
  • github.com/canonical/lxd (Go) Vendor— Affected before 0.0.0-20260224152359-d936c90d47cf Fixed in 0.0.0-20260224152359-d936c90d47cf Patch available GHSA-crmg-9m86-636r

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:canonical:lxd:6.6:*:*:*:*:*:*:*6.6VulnerableCanonical
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*not specified by NVDRunning onLinux
  • cpe:2.3:a:canonical:lxd:6.6:*:*:*:*:*:*:* Versions 6.6 Vulnerable ·Canonical
  • cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux

Remediation

  • Fix · GHSA-crmg-9m86-636r github.com/canonical/lxd (Go) Fixed in 0.0.0-20260224152359-d936c90d47cf Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-3351
  2. 2026-10-03 Alias added: GHSA-crmg-9m86-636r

References

Exploit 1

Patch 2

Advisory 1

Other 1

  • TI-2026-22659 Authenticated RCE via unsanitized compression_algorithm CVSS 4.0CRITICAL 9.4
  • TI-2026-47475 Path traversal via unvalidated instance name in backup tarball restore enables root file write / RCE CVSS 3.1CRITICAL 9.9
  • TI-2026-45146 Cross-project instance move bypasses all project restrictions allowing host command execution CVSS 3.1CRITICAL 9.9
  • TI-2026-45143 Cross-project instance copy bypasses target project restrictions via TOCTOU in config merge CVSS 3.1CRITICAL 9.9
  • TI-2026-45142 Project restriction bypass via instance migration config override CVSS 3.1CRITICAL 9.9
  • TI-2026-45140 Root RCE via image backup.yaml symlink CVSS 3.1CRITICAL 9.9
See all 34 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences