Vulnerability in Lxc Incus
CVE-2026-115378
Incus before 6.0.7, 6.1.0 before 7.0.2, and 7.1.0 before 7.5.0 contains an arbitrary file write vulnerability in sftpRecursivePullFile that allows a malicious incus-agent to escape the target directory during incus file pull -r. Attackers with root in a virtual machine can return duplicate entries reported first as symlinks then as files or directories, writing attacker-controlled files such as /etc/shadow on the operator's host.
Published .
CVSS v3 metric
CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:H/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/lxc/incus/security/advisories/GHSA-wfvq-qh87-gm4j (vendor-advisory)
- www.vulncheck.com/advisories/incus-before-6.0.7-6.1.0-before-7.0.2-and-7.1.0-be… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-115378?
- CVE-2026-115378 is a medium-severity vulnerability in Lxc Incus, classified under Improper Link Resolution Before File Access. CVSS score: 5.8/10. Published 2026-10-22.
- How severe is CVE-2026-115378?
- Medium severity. CVSS v3 base score is 5.8 out of 10.