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VULNERABILITIES

CVE-2026-33743 Details

Description

Incus is a system container and virtual machine manager. Prior to version 6.23.0, a specially crafted storage bucket backup can be used by an user with access to Incus' storage bucket feature to crash the Incus daemon. Repeated use of this attack can be used to keep the server offline causing a denial of service of the control plane API. This does not impact any running workload, existing containers and virtual machines will keep operating. Version 6.23.0 fixes the issue.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/lxc/incus/security/advisories/GHSA-vg76-xmhg-j5x3 CISA-ADPExploitVendor Advisory
https://github.com/lxc/incus/security/advisories/GHSA-vg76-xmhg-j5x3 [email protected]ExploitVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-770Allocation of Resources Without Limits or Throttling[email protected]

Affected Products

ProductVersions
linuxcontainers incus
< 6.23.0

CPE

  • cpe:2.3:a:linuxcontainers:incus:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-33743
NVD Published Date:
Mar 26, 2026
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2026-33743 Details - Not Deferred