{"id":"CVE-2026-78122","aliases":["EUVD-2026-64603","GHSA-gxmj-gjp2-h2mv"],"status":"published","title":"docker-socket-proxy through 0.5.0 Insufficient Access Control Granularity Exposes Container Filesystems","description":"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.","severity":{"version":"4.0","score":8.3,"vector":"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00309,"percentile":0.24035,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-1220"],"published":"2026-08-22T23:06:32Z","modified":"2026-10-28T02:30:39Z","exploits":[{"source":"pocgithub","id":"Legendile7/CVE-2026-78122-POC","title":"Legendile7/CVE-2026-78122-POC","date":"2026-08-23","url":"https://github.com/Legendile7/CVE-2026-78122-POC"}],"products":[{"vendor":"tecnativa","product":"docker-socket-proxy"}],"references":[{"url":"https://github.com/Tecnativa/docker-socket-proxy/issues/182","tags":["issue-tracking","exploit","report"]},{"url":"https://github.com/Tecnativa/docker-socket-proxy","tags":["product","package"]},{"url":"https://github.com/Tecnativa/docker-socket-proxy/blob/v0.5.0/haproxy.cfg#L49-L61","tags":["technical-description","article"]},{"url":"https://github.com/Tecnativa/docker-socket-proxy/pull/183","tags":["issue-tracking","patch","fix"]},{"url":"https://gist.github.com/nedlir/e4f52f88a757f02c67db1fd5dd70d732","tags":["exploit","evidence"]},{"url":"https://www.vulncheck.com/advisories/docker-socket-proxy-through-insufficient-access-control-granularity-exposes-container-filesystems","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-78122","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-gxmj-gjp2-h2mv"},{"url":"https://hub.docker.com/r/tecnativa/docker-socket-proxy","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/78xxx/CVE-2026-78122.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-78122","title":"docker-socket-proxy through 0.5.0 Insufficient Access Control Granularity Exposes Container Filesystems","description":"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.","status":"published","published":"2026-08-22T23:06:32.896Z","modified":"2026-09-24T14:19:41.384Z","cvss":[{"version":"4.0","score":8.3,"vector":"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","level":"high","assessor":"cna"},{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-1220"],"updated_at":"2026-11-02T13:34:48.658051Z"}],"euvd":[{"id":"EUVD-2026-64603","description":"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.","status":"published","published":"2026-08-22T23:06:32Z","modified":"2026-09-24T14:19:41Z","cvss":[{"version":"4.0","score":8.3,"vector":"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","level":"high"}],"updated_at":"2026-11-02T17:27:57.839356Z"}],"ghsa":[{"id":"GHSA-gxmj-gjp2-h2mv","title":"docker-socket-proxy fails to properly gate read endpoints in the /containers Docker API namespace...","description":"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.","status":"published","published":"2026-08-23T00:30:22Z","modified":"2026-08-23T00:30:30Z","cvss":[{"version":"4.0","score":8.3,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-1220"],"updated_at":"2026-11-02T15:10:51.608425Z"}],"nvd":[{"id":"CVE-2026-78122","description":"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.","status":"published","published":"2026-08-22T23:16:22.923Z","modified":"2026-10-12T16:10:00.22Z","cvss":[{"version":"4.0","score":8.3,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-1220"],"updated_at":"2026-11-02T14:12:41.018848Z"}],"osv":[{"id":"CVE-2026-78122","title":"docker-socket-proxy through 0.5.0 Insufficient Access Control Granularity Exposes Container Filesystems","description":"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.","status":"published","published":"2026-08-22T23:06:32.896Z","modified":"2026-10-28T02:30:39.220807506Z","cvss":[{"version":"4.0","score":8.3,"vector":"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","level":"high"}],"cwes":["CWE-1220"],"updated_at":"2026-11-02T15:45:17.44708Z"}]}}