{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "0.5.0"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "2e118a0c0c66e1831f68b7afd6d49ad3e2f96b5d"
            }
          ],
          "repo": "https://github.com/tecnativa/docker-socket-proxy",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-1220"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/78xxx/CVE-2026-78122.json"
  },
  "details": "docker-socket-proxy fails to properly gate read endpoints in the /containers Docker API namespace when the CONTAINERS environment variable is set. Attackers can use GET requests to /containers/{id}/archive, /containers/{id}/export, /containers/{id}/logs, and /containers/{id}/top to read arbitrary files and download entire container filesystems as tar archives.",
  "id": "CVE-2026-78122",
  "modified": "2026-08-30T03:30:57.037288321Z",
  "published": "2026-08-22T23:06:32.896Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://hub.docker.com/r/tecnativa/docker-socket-proxy"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/78xxx/CVE-2026-78122.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-78122"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/docker-socket-proxy-through-insufficient-access-control-granularity-exposes-container-filesystems"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/Tecnativa/docker-socket-proxy/issues/182"
    },
    {
      "type": "FIX",
      "url": "https://github.com/Tecnativa/docker-socket-proxy/pull/183"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/Tecnativa/docker-socket-proxy"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/Tecnativa/docker-socket-proxy/blob/v0.5.0/haproxy.cfg#L49-L61"
    },
    {
      "type": "EVIDENCE",
      "url": "https://gist.github.com/nedlir/e4f52f88a757f02c67db1fd5dd70d732"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "docker-socket-proxy through 0.5.0 Insufficient Access Control Granularity Exposes Container Filesystems"
}