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Advisory record · GHSA-w2hg-2v4p-vmh6

Canonical LXD Arbitrary File Read via Template Injection in Snapshot Patterns

CVSS 7.1 HighEPSS 0.0037 · 32nd percentile

Published by the GitHub Advisory Database at 2 Oct 2025, 21:21 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
github.com/lxc/lxdGo>=4.0.0, <5.21.4 || >=6.0.0, <6.5.0 || >=0.0.0-20200331193331-03aab09f5b5c, <0.0.0-20250827065555-0494f5d47e415.21.4, 6.5.0, 0.0.0-20250827065555-0494f5d47e41
Identifiers
GHSA-w2hg-2v4p-vmh6 · CVE-2025-54287 · GO-2025-4004
Weakness (CWE)
CWE-1336
Tags
Published
2 Oct 2025
Updated
8 Jul 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Canonical LXD versions from 4.0.0 before 5.21.4, from 6.0.0 before 6.5.0, and development builds before 0.0.0-20250827065555-0494f5d47e41 are affected by an arbitrary file read flaw. A user with permission to modify instance settings can inject a template into the snapshot name pattern, which the Pongo2 engine renders to read files the LXD process can access, with the contents appearing in snapshot names. Upgrade to 5.21.4, 6.5.0, or 0.0.0-20250827065555-0494f5d47e41 or later.

Written 6 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.1 High 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N CNA (canonical)
  • CISA KEV Not listed.
  • EPSS 0.0037, the 32nd percentile, on 15 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 15:05 UTC First seen by agentprime
  2. 31 Oct 2026, 15:05 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.