CVE-2025-54287

Arbitrary File Read via Template Injection in Snapshot Patterns

State: Published
Severity: 7.1 High
Published: Oct 2, 2025
Updated: Oct 2, 2025
Reserved: Jul 18, 2025

Description

Template Injection in instance snapshot creation component in Canonical LXD (>= 4.0) allows an attacker with instance configuration permissions to read arbitrary files on the host system via specially crafted snapshot pattern templates using the Pongo2 template engine.

Scores

CVSS	Score	Vector	Source
4.0	7.1 High	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	canonical

Weaknesses

CWE-1336 Improper Neutralization of Special Elements Used in a Template Engine

Affected Products

Product	Versions
LXDCanonical	6.0 to before 6.5Affected 5.21 to before 5.21.4Affected

References

https://github.com/canonical/lxd/security/advisories/GHSA-w2hg-2v4p-vmh6

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