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TI-2025-34121 Aliases CVE-2025-54292

Client-Side Path Traversal in LXD-UI

Priority MEDIUM 55CWE-22Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.

Summary

Path traversal in Canonical LXD LXD-UI versions before 6.5 and 5.21.4 on all platforms allows remote authenticated attackers to access or modify unintended resources via crafted resource names embedded in URL paths.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00328 26th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed LXD (Canonical): 6.5, 5.21.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
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
CanonicalLXD6.0 to before 6.5; 5.21 to before 5.21.46.5, 5.21.4Patch availableCNA
  • LXD VendorCanonical Affected 6.0 to before 6.5; 5.21 to before 5.21.4 Fixed in 6.5, 5.21.4 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:canonical:lxd:*:*:*:*:*:*:*:*5.0.0 to before 5.21.4; 6.0 to before 6.5VulnerableCanonical
  • cpe:2.3:a:canonical:lxd:*:*:*:*:*:*:*:* Versions 5.0.0 to before 5.21.4; 6.0 to before 6.5 Vulnerable ·Canonical

Remediation

  • Fix · CNA LXD (Canonical) Fixed in 6.5, 5.21.4

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Canonical LXD 5.21.4, 6.5

    7 records Highest priority Priority HIGH 2 HIGH, 4 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2025-34116 Arbitrary File Read via Template Injection in Snapshot PatternsPriority HIGH 70
    • TI-2025-34119 Project Existence Disclosure via Error Handling in LXD Image ExportPriority HIGH 66
    • TI-2025-34122 Path Traversal in LXD Instance Log File RetrievalPriority MEDIUM 64
    Show all 7 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-54292

References

Exploit 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