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Vulnerability Details CVE-2026-28384

An improper sanitization of the compression_algorithm parameter in Canonical LXD allows an authenticated, unprivileged user to execute commands as the LXD daemon on the LXD server via API calls to the image and backup endpoints. This issue affected LXD from 4.12 through 6.6 and was fixed in the snap versions 5.0.6-e49d9f4 (channel 5.0/stable), 5.21.4-1374f39 (channel 5.21/stable), and 6.7-1f11451 (channel 6.0 stable). The channel 4.0/stable is not affected as it contains version 4.0.10.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.009
EPSS Ranking 56.9%
CVSS Severity
CVSS v3 Score 9.9
Products affected by CVE-2026-28384
  • 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: 5.21.0
    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: 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


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