by Kastro
Paper/Archive/CVE-2026-48752

CVE-2026-48752

lxc incus — Incus has arbitrary file read+write on host via templates/ symlink in malicious image

EPSS 0.7%CVSS 9.9
critical.is priorityof 100
41
CVSS 9.9 (CNA)9.9 / 10 × 3029.7Not in CISA KEV+300.0EPSS percentile 54.3.543 × 2010.9No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Incus is a system container and virtual machine manager. Prior to version 7.2.0, a specially crafted image or instance backup can be used to read or create/write arbitrary files on the host; possibly leading to arbitrary command execution. Version 7.2.0 patches the issue.

Affected

ProductAffectedFixed inSource
incus< 7.2.0–CNA

Scores by source

GitHub_M (CNA)9.9CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

exploitgithub.com/lxc/incus/security/advisories/GHSA-vxp5-584q-c479