by Kastro
Paper/Archive/CVE-2026-115372

CVE-2026-115372

lxc incus — Incus 7.3.0 before 7.5.0 Project Restriction Bypass via block.create_options

EPSS 0.4%CVSS 9.0
critical.is priorityof 100
33
CVSS 9.0 (CNA)9.0 / 10 × 3027.0Not in CISA KEV+300.0EPSS percentile 29.9.299 × 206.0No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Incus from 7.3.0 before 7.5.0 contains a project restriction bypass that allows restricted project users to set block.create_options through volume update, copy, and move operations. Attackers can set the option on a custom volume and trigger a copy or move onto a formatting pool to inject arguments into mkfs executed as root.

Affected

ProductAffectedFixed inSource
incus7.3.0 – < 7.5.07.5.0CNA

Scores by source

VulnCheck (CNA)9.0CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
VulnCheck (CNA)8.5CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

advisorygithub.com/lxc/incus/security/advisories/GHSA-4cph-ccqv-hm3cwriteupvulncheck.com/advisories/incus-7.3.0-before-7.5.0-project-restriction-bypass-via-block-create-options