by Kastro
Paper/Archive/CVE-2026-48749

CVE-2026-48749

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

EPSS 0.7%public exploitCVSS 9.9
critical.is priorityof 100
51
CVSS 9.9 (CNA)9.9 / 10 × 3029.7Not in CISA KEV+300.0EPSS percentile 54.3.543 × 2010.9Exploit: SSVC poc+1010.0SSVC exploitation: poc+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 can be used to read or create/write arbitrary files on the host; possibly leading to arbitrary command execution. Version 7.2.0 fixes 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: poc · Automatable: no · Technical impact: total

References

exploitgithub.com/lxc/incus/security/advisories/GHSA-2q3f-q5pq-g8wv