High severity · published Oct 22, 2026
CVE-2026-115372
Incus 7.3.0 before 7.5.0 Project Restriction Bypass via block.create_options
New
8.5
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IN
incus · lxc
7.3.0 before 7.5.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-115372
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-115372
github.com
https://github.com/lxc/incus/security/advisories/GHSA-4cph-ccqv-hm3c
www.vulncheck.com
https://www.vulncheck.com/advisories/incus-7.3.0-before-7.5.0-project-restriction-bypass-via-block-create-options
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