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CVE-2026-40197 - Vulnerability Analysis

MediumCVSS: 6.5

Last Updated: May 7, 2026

Incus - Denial of Service

Published: May 6, 2026Updated: May 7, 2026PoC AvailableRemote Exploitable

Overview

Incus < 7.0.0 contains a denial of service caused by a nil-pointer dereference in the storage volume import logic, letting authenticated users with storage volume access crash the daemon, exploit requires crafted backup archive.

Severity & Score

Severity: Medium

CVSS Score: 6.5

Impact

Authenticated users can crash the Incus daemon repeatedly, causing denial of service on the affected node.

Mitigation

Update to version 7.0.0 or later.

References

https://github.com/lxc/incus/security/advisories/GHSA-r7w7-mmxr-47r9

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Details

CVE ID: CVE-2026-40197
Severity: Medium
CVSS Score: 6.5
Type: denial_of_service
Status: confirmed

CWE

CWE-476

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H