Improper certificate validation in the HTTPS listener in LXD

{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2026-112816",
    "assignerOrgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
    "assignerShortName": "canonical",
    "dateUpdated": "2026-10-30T17:18:21.262Z",
    "dateReserved": "2026-10-19T18:32:16.961Z",
    "datePublished": "2026-10-30T16:42:06.617Z",
    "state": "PUBLISHED"
  },
  "containers": {
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        "shortName": "canonical",
        "dateUpdated": "2026-10-30T16:42:06.617Z"
      },
      "title": "Improper certificate validation in the HTTPS listener in LXD",
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "affected": [
        {
          "vendor": "Canonical",
          "product": "LXD",
          "collectionURL": "https://canonical.com/lxd",
          "packageName": "lxd",
          "platforms": [
            "Linux"
          ],
          "repo": "https://github.com/canonical/lxd",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "4.0.14",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "4.0.15"
            },
            {
              "version": "5.0.10",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.0.11"
            },
            {
              "version": "5.21.8",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.21.9"
            },
            {
              "version": "6.9.0",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "6.10.1"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "CWE-295 Improper certificate validation",
              "cweId": "CWE-295",
              "type": "CWE"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://github.com/canonical/lxd/security/advisories/GHSA-99jp-jwmc-65p4",
          "tags": [
            "vendor-advisory"
          ]
        },
        {
          "url": "https://discourse.ubuntu.com/t/security-advisory-critical-vulnerability-found-in-canonical-lxd-and-microcloud/90557",
          "tags": [
            "vendor-advisory"
          ]
        },
        {
          "url": "https://discourse.ubuntu.com/t/lxd-6-10-1-lts-has-been-released/90024",
          "tags": [
            "release-notes"
          ]
        },
        {
          "url": "https://discourse.ubuntu.com/t/lxd-5-21-9-lts-has-been-released/90565/1",
          "tags": [
            "release-notes"
          ]
        },
        {
          "url": "https://discourse.ubuntu.com/t/lxd-5-0-11-lts-has-been-released/90570/1",
          "tags": [
            "release-notes"
          ]
        },
        {
          "url": "https://discourse.ubuntu.com/t/lxd-4-0-15-lts-has-been-released/90571",
          "tags": [
            "release-notes"
          ]
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-475",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-475 Signature Spoofing by Improper Validation"
            }
          ]
        }
      ],
      "metrics": [
        {
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Stéphane Graber",
          "type": "reporter"
        }
      ]
    },
    "adp": [
      {
        "providerMetadata": {
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          "shortName": "CISA-ADP",
          "dateUpdated": "2026-10-30T17:18:21.262Z"
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        "title": "CISA ADP Vulnrichment",
        "metrics": [
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    ]
  }
}