CVEvulnerability

CVE-2026-9640

7.2 HIGH Published 2026-06-26 Modified 2026-10-25 Official page ↗
Status
Analyzed
Published
2026-06-26
Last modified
2026-10-25
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.2 HIGH — CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-863

Description

A privilege escalation vulnerability exists in LXD from 6.0 before 6.9, 5.21.0 before 5.21.5, and 5.0.0 before 5.0.7 regarding the handling of project-restriction policies during snapshot restoration.. An authenticated project operator in a restricted multi-tenant environment can bypass policy restrictions by importing a maliciously crafted instance backup containing restricted configuration keys within a snapshot. When the snapshot is restored, these restricted keys are applied to the live instance without policy validation. Starting the modified instance grants the operator unauthorized host root access.

Affected configurations

• canonical lxd (>= 4.12 < 5.0.7) • canonical lxd (>= 5.21.0 < 5.21.5) • canonical lxd (>= 6.0 < 6.9)

Related

Weakness · CWE (1)

  • CWE-863 Incorrect Authorization weakness

References