CVE-2026-112816

    Dashboard / Vulnerabilities / CVE-2026-112816

    CVE-2026-112816

    Published: 30 Oct 2026Last Modified: 3 Nov 2026

    Summary: Improper certificate validation in the HTTPS listener in LXD

    Details: 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.

    References: https://canonical.com/lxd, https://discourse.ubuntu.com/t/lxd-4-0-15-lts-has-been-released/90571, https://discourse.ubuntu.com/t/lxd-5-0-11-lts-has-been-released/90570/1, https://discourse.ubuntu.com/t/lxd-5-21-9-lts-has-been-released/90565/1, https://discourse.ubuntu.com/t/lxd-6-10-1-lts-has-been-released/90024, https://discourse.ubuntu.com/t/security-advisory-critical-vulnerability-found-in-canonical-lxd-and-microcloud/90557, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/112xxx/CVE-2026-112816.json, https://github.com/canonical/lxd/security/advisories/GHSA-99jp-jwmc-65p4, https://nvd.nist.gov/vuln/detail/CVE-2026-112816, https://github.com/canonical/lxd

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- b6e6806eef1ffb9be88d80af840f82d762ba1e38
    Fixed -e8f78ca2e5a41d0827341f228e2480e52f5ffada

    Affected versions

    lxd-6.10.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2026-112816 | CVE-DB