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9.9 Critical

CVE-2026-63296 An authorization bypass vulnerability in LXD allows an authenticated attacker to bypass target project restrictions…

Description

An authorization bypass vulnerability in LXD allows an authenticated attacker to bypass target project restrictions during instance migration. When migrating an instance to a target project, LXD accepts configuration overrides without validating the new configuration against the target project's enforced restrictions. An attacker can exploit this flaw to move instances with disallowed high-privilege configurations into restricted projects, bypassing security controls.

Affected products and versions

Product Affected versions Fixed in
LXD 6.0 6.0 → < 6.10 6.10
LXD 5.21 5.21.0 → < 5.21.6 5.21.6
LXD 5.0 5.0.0 → < 5.0.8 5.0.8

References

Timeline

  1. Published
  2. Last modified

Other CVEs of LXD

The 47 CVEs of LXD →
CVE-2026-112816 Improper certificate validation in the HTTPS listener in Canonical LXD 4.0.14, 5.0.10, 5.21.8, 6.9 before 4.0.15,… 10.0 Critical CVE-2026-87798 Improper link resolution in the recursive file pull feature of the LXD CLI client in Canonical LXD versions 4.0.2 up… 5.8 Medium CVE-2026-87799 Improper link resolution in the migration receive path in Canonical LXD versions 4.0 and later (fixed in 4.0.14, 5.0.10,… 9.9 Critical CVE-2026-97335 Incorrect authorization in the custom storage volume creation endpoint in Canonical LXD versions 5.0.0 and later… 7.7 High
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