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Fencer Intel
medium 6.5

CVE-2025-54287 json

Arbitrary File Read via Template Injection in Snapshot Patterns

published last yr. modified 28d ago also GHSA-w2hg-2v4p-vmh6 , GO-2025-4004 , EUVD-2025-32636

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 31%
public exploits
0
none known

Summary

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.

Patch / fix

  • go github.com/lxc/lxd 0.0.0-20250827065555-0494f5d47e41, 5.21.4, 6.5.0
  • Canonical LXD 5.21.4, 6.5
  • lxd Debian 13 5.0.2+git20231211.1364ae4-9+deb13u1
  • incus Debian 13 6.0.4-2+deb13u1
  • incus Debian 14 6.0.5-1

debian advisories DEBIAN-CVE-2025-54287

  • govulncheck-vulndb openSUSE Leap 16.0 0.0.20260723T184607-160000.1.1
  • govulncheck-vulndb openSUSE Tumbleweed 0.0.20251105T184115-1.1

opensuse advisories openSUSE-SU-2026:21483-1openSUSE-SU-2025:15710-1

  • incus Alpine 3.24, Alpine 3.23 6.0.6-r0

alpine advisories ALPINE-CVE-2025-54287

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Is CVE-2025-54287 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
last yr.

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/canonical/lxd/security/advisories/GHSA-w2hg-2v4p-vmh6 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 7.1 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 4.0 7.1 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
GitHub 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem package affected fixed in
go github.com/lxc/lxd
>=4.0.0, <5.21.4
>=6.0.0, <6.5.0
>=0.0.0-20200331193331-03aab09f5b5c, <0.0.0-20250827065555-0494f5d47e41
all versions
5.21.4
6.5.0
0.0.0-20250827065555-0494f5d47e41
go github.com/lxc/lxd/v6
all versions
 no fix listed

Affected products

  • Canonical LXD

Classification

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

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.