CVE-2026-44850

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-44850", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-07T21:21:48.353Z", "datePublished": "2026-05-28T21:03:16.797Z", "dateUpdated": "2026-05-29T19:08:21.955Z"}, "containers": {"cna": {"title": "Portainer: Bind-mount restriction bypass via HostConfig.Mounts", "problemTypes": [{"descriptions": [{"cweId": "CWE-863", "lang": "en", "description": "CWE-863: Incorrect Authorization", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/portainer/portainer/security/advisories/GHSA-7fw3-x4r2-g7wc", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/portainer/portainer/security/advisories/GHSA-7fw3-x4r2-g7wc"}], "affected": [{"vendor": "portainer", "product": "portainer", "versions": [{"version": ">= 2.33.0, < 2.33.8", "status": "affected"}, {"version": ">= 2.39.0, < 2.39.2", "status": "affected"}, {"version": ">= 2.40.0, < 2.41.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-05-28T21:03:16.797Z"}, "descriptions": [{"lang": "en", "value": "Portainer Community Edition is a lightweight service delivery platform for containerized applications that can be used to manage Docker, Swarm, Kubernetes and ACI environments. From 2.33.0 to before 2.33.8, 2.39.2, and 2.41.0, Portainer offers an environment-level Disable bind mounts for non-administrators security setting that blocks regular users from binding host paths into containers they create through the Portainer-mediated Docker API. The check that enforces this setting only inspected the legacy HostConfig.Binds array on the container-create proxy and never looked at the equivalent HostConfig.Mounts array. Any authenticated user with rights to create containers on a Docker environment where the restriction is enabled could submit a bind-typed entry under HostConfig.Mounts and mount any host path into their container. This vulnerability is fixed in 2.33.8, 2.39.2, and 2.41.0."}], "source": {"advisory": "GHSA-7fw3-x4r2-g7wc", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-29T19:08:08.089094Z", "id": "CVE-2026-44850", "options": [{"Exploitation": "none"}, {"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": "2026-05-29T19:08:21.955Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-44850", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-29T19:08:08.089094Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-29T19:08:15.370Z"}}], "cna": {"title": "Portainer: Bind-mount restriction bypass via HostConfig.Mounts", "source": {"advisory": "GHSA-7fw3-x4r2-g7wc", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "portainer", "product": "portainer", "versions": [{"status": "affected", "version": ">= 2.33.0, < 2.33.8"}, {"status": "affected", "version": ">= 2.39.0, < 2.39.2"}, {"status": "affected", "version": ">= 2.40.0, < 2.41.0"}]}], "references": [{"url": "https://github.com/portainer/portainer/security/advisories/GHSA-7fw3-x4r2-g7wc", "name": "https://github.com/portainer/portainer/security/advisories/GHSA-7fw3-x4r2-g7wc", "tags": ["x_refsource_CONFIRM"]}], "descriptions": [{"lang": "en", "value": "Portainer Community Edition is a lightweight service delivery platform for containerized applications that can be used to manage Docker, Swarm, Kubernetes and ACI environments. From 2.33.0 to before 2.33.8, 2.39.2, and 2.41.0, Portainer offers an environment-level Disable bind mounts for non-administrators security setting that blocks regular users from binding host paths into containers they create through the Portainer-mediated Docker API. The check that enforces this setting only inspected the legacy HostConfig.Binds array on the container-create proxy and never looked at the equivalent HostConfig.Mounts array. Any authenticated user with rights to create containers on a Docker environment where the restriction is enabled could submit a bind-typed entry under HostConfig.Mounts and mount any host path into their container. This vulnerability is fixed in 2.33.8, 2.39.2, and 2.41.0."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-863", "description": "CWE-863: Incorrect Authorization"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-05-28T21:03:16.797Z"}}}, "cveMetadata": {"cveId": "CVE-2026-44850", "state": "PUBLISHED", "dateUpdated": "2026-05-29T19:08:21.955Z", "dateReserved": "2026-05-07T21:21:48.353Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-05-28T21:03:16.797Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "portainer", "vendor": "portainer", "versions": [{"status": "affected", "version": ">= 2.33.0, < 2.33.8"}, {"status": "affected", "version": ">= 2.39.0, < 2.39.2"}, {"status": "affected", "version": ">= 2.40.0, < 2.41.0"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:portainer:portainer:*:*:*:*:community:*:*:*", "matchCriteriaId": "4E7FE81D-D489-4034-9DB4-D48E3B6C3CE4", "versionEndExcluding": "2.33.8", "versionStartIncluding": "2.33.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:portainer:portainer:*:*:*:*:community:*:*:*", "matchCriteriaId": "3717D3CE-5226-41F7-A131-7CCAF164914D", "versionEndExcluding": "2.39.1", "versionStartIncluding": "2.34.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:portainer:portainer:2.40.0:*:*:*:community:*:*:*", "matchCriteriaId": "69F71AFC-F50D-4D10-9918-413D8E841CC2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Portainer Community Edition is a lightweight service delivery platform for containerized applications that can be used to manage Docker, Swarm, Kubernetes and ACI environments. From 2.33.0 to before 2.33.8, 2.39.2, and 2.41.0, Portainer offers an environment-level Disable bind mounts for non-administrators security setting that blocks regular users from binding host paths into containers they create through the Portainer-mediated Docker API. The check that enforces this setting only inspected the legacy HostConfig.Binds array on the container-create proxy and never looked at the equivalent HostConfig.Mounts array. Any authenticated user with rights to create containers on a Docker environment where the restriction is enabled could submit a bind-typed entry under HostConfig.Mounts and mount any host path into their container. This vulnerability is fixed in 2.33.8, 2.39.2, and 2.41.0."}, {"lang": "es", "value": "Portainer Community Edition es una plataforma ligera de entrega de servicios para aplicaciones en contenedores que puede usarse para gestionar entornos Docker, Swarm, Kubernetes y ACI. Desde 2.33.0 hasta antes de 2.33.8, 2.39.2 y 2.41.0, Portainer ofrece una configuraci\u00f3n de seguridad a nivel de entorno Deshabilitar montajes de enlace para no administradores que impide a los usuarios regulares enlazar rutas de host en los contenedores que crean a trav\u00e9s de la API de Docker mediada por Portainer. La comprobaci\u00f3n que aplica esta configuraci\u00f3n solo inspeccionaba el array HostConfig.Binds heredado en el proxy de creaci\u00f3n de contenedores y nunca examin\u00f3 el array HostConfig.Mounts equivalente. Cualquier usuario autenticado con derechos para crear contenedores en un entorno Docker donde la restricci\u00f3n est\u00e1 habilitada podr\u00eda enviar una entrada de tipo enlace bajo HostConfig.Mounts y montar cualquier ruta de host en su contenedor. Esta vulnerabilidad se corrige en 2.33.8, 2.39.2 y 2.41.0."}], "id": "CVE-2026-44850", "lastModified": "2026-07-21T10:10:00.103", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 4.7, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-44850", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-05-29T19:08:08.089094Z", "version": "2.0.3"}}]}, "published": "2026-05-28T22:16:59.107", "references": [{"source": "security-advisories@github.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/portainer/portainer/security/advisories/GHSA-7fw3-x4r2-g7wc"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.33.0,2.33.8)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.39.0,2.39.2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.40.0,2.41.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "portainer", "source": "cna", "vendor": "portainer"}, "product": "portainer", "vendor": "portainer"}], "created": "2026-05-28T22:30:27.928352+00:00", "updated": "2026-05-28T22:30:28.284519+00:00", "vendors": ["portainer", "portainer$PRODUCT$portainer"]}