CVE-2026-115375

Critical

Description

Incus 7.0.0 before 7.0.2 and 7.1.0 before 7.5.0 contains a path traversal vulnerability that allows clients able to create instances to write files on the host. The flaw stems from unvalidated dependent custom volume names in instance backup index.yaml files. Attackers can import a crafted instance backup with ../ sequences in dependent volume names to create root-owned directories with controlled content, leading to full host compromise.

SeverityCritical

CVSS9.9

Exploit probability—

ProductLxc Incus

PublishedOct 22, 2026

First seenOct 22, 2026

Weakness typeCWE-22Path traversal

How to fix

Update

lxc incus7.0.2, 7.5.0 or later

Vendor advisories

github.com/lxc/incus/security/advisories/GHSA-hpjh-q53p-f27r

Affected products

Product	Affected versions	Fixed in
lxc incus	7.0.0 ≤ v < 7.0.2, 7.1.0 ≤ v < 7.5.0	7.0.2, 7.5.0

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