CVE-2026-112816 Details
Description
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, 5.0.11, 5.21.9, 6.10.1 allows an unauthenticated attacker to authenticate as any trusted client and gain full access to the cluster and managed virtual machines via a crafted certificate chain.
A vulnerability exists in Canonical LXD versions 4.0.14, 5.0.10, 5.21.8, 6.9 prior to 6.10.1, 5.0.11, 5.21.9, and 6.10.1. It involves improper validation of certificates in the HTTPS listener, allowing an unauthenticated attacker to impersonate any trusted client. This exploitation could lead to unauthorized access to the cluster and managed virtual machines by using a crafted certificate chain.
Users can upgrade to LXD versions 4.0.15, 5.0.11, 5.21.9, or 6.10.1 to address this vulnerability. Binary packages are available through the Snap package manager for Linux, and the LXC client can be installed via Homebrew on macOS or Chocolatey on Windows.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 30, 2026CISA-ADP
Assessed Oct 30, 2026References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-295 | Improper Certificate Validation | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Canonical LXD | 4.0.14 (semver) 5.0.10 (semver) 5.21.8 (semver) 6.9 < 4.0.15 5.0.11 (semver) 5.21.9 (semver) 6.10.1 (semver) |
CPE
Remediation
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Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 31, 2026 | CVE Modified | CISA-ADP |
| Oct 30, 2026 | CVE Modified | CISA-ADP |
| Oct 30, 2026 | New CVE Received | [email protected] |