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CVE-2026-62940: incus < 7.3.0
CVE-2026-62940. CVSS 3.1 base score 9.9 (CRITICAL, Vendor/CNA). EPSS 0.00417 (percentile 0.34433), scored 14-Oct-2026.
Affected technology
incus · < 7.3.0
lxc
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required
What an attacker can do
The source says prior to version 7.3.0, when migrating an instance to another cluster member, user-supplied configuration overrides (including security-critical keys like `security.privileged` and `raw.lxc`) are applied without any project restriction enforcement, allowing a restricted project user to escalate to a privileged container and escape to the host. Vendor/CNA’s CVSS 3.1 assessment (base score 9.9/10) rates confidentiality, integrity and availability impact as high.
- CWE
- CWE-862
- CCR priority
- 39.7 /100 (P4)
- CVSS 3.1
- 9.9 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H · Vendor/CNA
- EPSS
- 0.00417 · percentile 0.34433 · 2026-10-14
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-15 20:17:11.213245+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-62940.html