{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-78122", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-08-22T22:56:18.102Z", "datePublished": "2026-08-22T23:06:32.896Z", "dateUpdated": "2026-08-29T11:47:56.573Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-08-29T11:47:56.573Z"}, "datePublic": "2026-08-15T00:00:00.000Z", "title": "docker-socket-proxy through 0.5.0 Insufficient Access Control Granularity Exposes Container Filesystems", "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Insufficient Granularity of Access Control", "cweId": "CWE-1220", "type": "CWE"}]}], "affected": [{"vendor": "Tecnativa", "product": "docker-socket-proxy", "defaultStatus": "unaffected", "packageURL": "pkg:docker/tecnativa/docker-socket-proxy", "collectionURL": "https://hub.docker.com/r/tecnativa/docker-socket-proxy", "versions": [{"version": "0", "lessThanOrEqual": "0.5.0", "status": "affected", "versionType": "semver"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "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", "attackVector": "ADJACENT", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.3, "baseSeverity": "HIGH"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 7.4, "baseSeverity": "HIGH"}}], "references": [{"url": "https://github.com/Tecnativa/docker-socket-proxy/issues/182", "tags": ["issue-tracking"], "name": "GitHub Issue #182"}, {"url": "https://github.com/Tecnativa/docker-socket-proxy", "tags": ["product"]}, {"url": "https://github.com/Tecnativa/docker-socket-proxy/blob/v0.5.0/haproxy.cfg#L49-L61", "tags": ["technical-description"]}, {"url": "https://github.com/Tecnativa/docker-socket-proxy/pull/183", "tags": ["issue-tracking", "patch"]}, {"url": "https://gist.github.com/nedlir/e4f52f88a757f02c67db1fd5dd70d732", "tags": ["exploit"]}, {"name": "VulnCheck Advisory: docker-socket-proxy through 0.5.0 Insufficient Access Control Granularity Exposes Container Filesystems", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/docker-socket-proxy-through-insufficient-access-control-granularity-exposes-container-filesystems"}], "credits": [{"lang": "en", "value": "nedlir", "type": "reporter"}], "x_generator": {"engine": "vulncheck-endgame"}}, "adp": [{"references": [{"url": "https://github.com/Tecnativa/docker-socket-proxy/issues/182", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-26T17:55:36.477479Z", "id": "CVE-2026-78122", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-26T17:55:57.621Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-78122", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-26T17:55:36.477479Z"}}}], "references": [{"url": "https://github.com/Tecnativa/docker-socket-proxy/issues/182", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-26T17:55:53.480Z"}}], "cna": {"title": "docker-socket-proxy through 0.5.0 Insufficient Access Control Granularity Exposes Container Filesystems", "credits": [{"lang": "en", "type": "reporter", "value": "nedlir"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "baseScore": 8.3, "attackVector": "ADJACENT", "baseSeverity": "HIGH", "vectorString": "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", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH"}}, {"format": "CVSS", "cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 7.4, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "Tecnativa", "product": "docker-socket-proxy", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "0.5.0"}], "packageURL": "pkg:docker/tecnativa/docker-socket-proxy", "collectionURL": "https://hub.docker.com/r/tecnativa/docker-socket-proxy", "defaultStatus": "unaffected"}], "datePublic": "2026-08-15T00:00:00.000Z", "references": [{"url": "https://github.com/Tecnativa/docker-socket-proxy/issues/182", "name": "GitHub Issue #182", "tags": ["issue-tracking"]}, {"url": "https://github.com/Tecnativa/docker-socket-proxy", "tags": ["product"]}, {"url": "https://github.com/Tecnativa/docker-socket-proxy/blob/v0.5.0/haproxy.cfg#L49-L61", "tags": ["technical-description"]}, {"url": "https://github.com/Tecnativa/docker-socket-proxy/pull/183", "tags": ["issue-tracking", "patch"]}, {"url": "https://gist.github.com/nedlir/e4f52f88a757f02c67db1fd5dd70d732", "tags": ["exploit"]}, {"url": "https://www.vulncheck.com/advisories/docker-socket-proxy-through-insufficient-access-control-granularity-exposes-container-filesystems", "name": "VulnCheck Advisory: docker-socket-proxy through 0.5.0 Insufficient Access Control Granularity Exposes Container Filesystems", "tags": ["third-party-advisory"]}], "x_generator": {"engine": "vulncheck-endgame"}, "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-1220", "description": "Insufficient Granularity of Access Control"}]}], "providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-08-29T11:47:56.573Z"}}}, "cveMetadata": {"cveId": "CVE-2026-78122", "state": "PUBLISHED", "dateUpdated": "2026-08-29T11:47:56.573Z", "dateReserved": "2026-08-22T22:56:18.102Z", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "datePublished": "2026-08-22T23:06:32.896Z", "assignerShortName": "VulnCheck"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"collectionURL": "https://hub.docker.com/r/tecnativa/docker-socket-proxy", "defaultStatus": "unaffected", "packageURL": "pkg:docker/tecnativa/docker-socket-proxy", "product": "docker-socket-proxy", "vendor": "Tecnativa", "versions": [{"lessThanOrEqual": "0.5.0", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "disclosure@vulncheck.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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", "lastModified": "2026-08-26T18:17:04.487", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 4.0, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "ADJACENT", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.3, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "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", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-78122", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-26T17:55:36.477479Z", "version": "2.0.3"}}]}, "published": "2026-08-22T23:16:22.923", "references": [{"source": "disclosure@vulncheck.com", "url": "https://gist.github.com/nedlir/e4f52f88a757f02c67db1fd5dd70d732"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/Tecnativa/docker-socket-proxy"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/Tecnativa/docker-socket-proxy/blob/v0.5.0/haproxy.cfg#L49-L61"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/Tecnativa/docker-socket-proxy/issues/182"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/Tecnativa/docker-socket-proxy/pull/183"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/docker-socket-proxy-through-insufficient-access-control-granularity-exposes-container-filesystems"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/Tecnativa/docker-socket-proxy/issues/182"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1220"}], "source": "disclosure@vulncheck.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.5.0]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "docker-socket-proxy", "source": "cna", "vendor": "Tecnativa"}, "product": "docker-socket-proxy", "vendor": "tecnativa"}], "created": "2026-08-23T00:30:17.627631+00:00", "updated": "2026-08-23T16:39:58.754243+00:00", "vendors": ["tecnativa", "tecnativa$PRODUCT$docker-socket-proxy"]}