Vulnerability in Incus System Container and VM Manager Exposes Host Files to Arbitrary Access
CVE-2026-48749

9.9CRITICAL

Key Information:

Vendor

Lxc

Status
Incus
Vendor
CVE Published:
21 August 2026

What is CVE-2026-48749?

A vulnerability has been identified in Incus, a system container and virtual machine manager, prior to version 7.2.0. This issue allows attackers to leverage specially crafted images to read or create/write arbitrary files on the host system. This could potentially lead to unauthorized command execution, posing significant security risks. Users are strongly advised to upgrade to version 7.2.0 or later to mitigate these vulnerabilities. For detailed information, refer to the security advisory on GitHub.

Affected Version(s)

incus < 7.2.0

References

https://github.com/lxc/incus/security/advisories/GHSA-2q3...
x_refsource_CONFIRM

CVSS V3.1

Score:
9.9
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.