{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "29.8.2"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8af9fe3a36bab3e039862a2ab1cef1880c9b4d03"
            }
          ],
          "repo": "https://github.com/moby/moby",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-7cfq-22r6-qp73"
  ],
  "database_specific": {
    "cna_assigner": "Docker",
    "cwe_ids": [
      "CWE-295",
      "CWE-319"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92543.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "fixed": "v2.0.0-beta.25"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "details": "Docker Engine classifies a registry hostname as insecure using an any-match DNS check. loadInsecureRegistries() injects 127.0.0.0/8 and ::1/128 as insecure CIDRs by default. isCIDRMatch resolves all of the hostname's addresses and returns true if a single address is in the insecure CIDR list. Because the transport re-dials the hostname rather than the CIDR-matching address, a DNS answer set of one loopback IP plus a non-loopback attacker IP disables certificate verification and enables HTTP fallback for the registry connection.",
  "id": "CVE-2026-92543",
  "modified": "2026-10-09T02:30:57.528042796Z",
  "published": "2026-10-07T16:44:21.237Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92543.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/moby/moby/security/advisories/GHSA-7cfq-22r6-qp73"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-92543"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Docker Engine insecure-registry fallback via malicious DNS responses"
}