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Vulnerable Software

Vulnerability Details CVE-2026-9640

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 26.2%
CVSS Severity
CVSS v3 Score 7.2
Products affected by CVE-2026-9640
  • Canonical » Lxd » Version: 4.12
    cpe:2.3:a:canonical:lxd:4.12
  • Canonical » Lxd » Version: 4.13
    cpe:2.3:a:canonical:lxd:4.13
  • Canonical » Lxd » Version: 4.14
    cpe:2.3:a:canonical:lxd:4.14
  • Canonical » Lxd » Version: 4.15
    cpe:2.3:a:canonical:lxd:4.15
  • Canonical » Lxd » Version: 4.16
    cpe:2.3:a:canonical:lxd:4.16
  • Canonical » Lxd » Version: 4.17
    cpe:2.3:a:canonical:lxd:4.17
  • Canonical » Lxd » Version: 4.18
    cpe:2.3:a:canonical:lxd:4.18
  • Canonical » Lxd » Version: 4.19
    cpe:2.3:a:canonical:lxd:4.19
  • Canonical » Lxd » Version: 4.20
    cpe:2.3:a:canonical:lxd:4.20
  • Canonical » Lxd » Version: 4.21
    cpe:2.3:a:canonical:lxd:4.21
  • Canonical » Lxd » Version: 4.22
    cpe:2.3:a:canonical:lxd:4.22
  • Canonical » Lxd » Version: 4.23
    cpe:2.3:a:canonical:lxd:4.23
  • Canonical » Lxd » Version: 4.24
    cpe:2.3:a:canonical:lxd:4.24
  • Canonical » Lxd » Version: 5.0.0
    cpe:2.3:a:canonical:lxd:5.0.0
  • Canonical » Lxd » Version: 5.0.1
    cpe:2.3:a:canonical:lxd:5.0.1
  • Canonical » Lxd » Version: 5.0.2
    cpe:2.3:a:canonical:lxd:5.0.2
  • Canonical » Lxd » Version: 5.0.3
    cpe:2.3:a:canonical:lxd:5.0.3
  • Canonical » Lxd » Version: 5.0.4
    cpe:2.3:a:canonical:lxd:5.0.4
  • Canonical » Lxd » Version: 5.0.5
    cpe:2.3:a:canonical:lxd:5.0.5
  • Canonical » Lxd » Version: 5.0.6
    cpe:2.3:a:canonical:lxd:5.0.6
  • Canonical » Lxd » Version: 5.21.0
    cpe:2.3:a:canonical:lxd:5.21.0
  • Canonical » Lxd » Version: 5.21.1
    cpe:2.3:a:canonical:lxd:5.21.1
  • Canonical » Lxd » Version: 5.21.2
    cpe:2.3:a:canonical:lxd:5.21.2
  • Canonical » Lxd » Version: 5.21.3
    cpe:2.3:a:canonical:lxd:5.21.3
  • Canonical » Lxd » Version: 5.21.4
    cpe:2.3:a:canonical:lxd:5.21.4
  • Canonical » Lxd » Version: 6.0
    cpe:2.3:a:canonical:lxd:6.0
  • Canonical » Lxd » Version: 6.1
    cpe:2.3:a:canonical:lxd:6.1
  • Canonical » Lxd » Version: 6.2
    cpe:2.3:a:canonical:lxd:6.2
  • Canonical » Lxd » Version: 6.3
    cpe:2.3:a:canonical:lxd:6.3
  • Canonical » Lxd » Version: 6.4
    cpe:2.3:a:canonical:lxd:6.4
  • Canonical » Lxd » Version: 6.5
    cpe:2.3:a:canonical:lxd:6.5
  • Canonical » Lxd » Version: 6.6
    cpe:2.3:a:canonical:lxd:6.6
  • Canonical » Lxd » Version: 6.7
    cpe:2.3:a:canonical:lxd:6.7
  • Canonical » Lxd » Version: 6.8
    cpe:2.3:a:canonical:lxd:6.8


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