{"id":"CVE-2026-50201","aliases":["EUVD-2026-37813","GHSA-227r-jm2g-7cp4"],"status":"published","title":"Steeltoe's sensitive actuators (heapdump/env) only require Restricted permission","description":"Steeltoe is an open source project that provides a collection of libraries that helps users build cloud-native applications. In Steeltoe.Management.Endpoint prior to version 4.2.0 and Steeltoe.Management.EndpointCore prior to version 3.4.0, all Steeltoe actuator endpoints default to `EndpointPermissions.Restricted`, which is mappeds to Cloud Foundry's `read_basic_data` permission (granted to Space Auditors and similar low-trust roles). Sensitive actuators including heap dump, environment, and thread dump do not raise this to `EndpointPermissions.Full`, so CF's `read_sensitive_data` permission flag is not enforced for those endpoints. Spring Boot's equivalent Cloud Foundry integration gates these endpoints with `read_sensitive_data` by default. Steeltoe.Management.Endpoint 4.2.0 and Steeltoe.Management.EndpointCore 3.4.0 patch the issue. If an immediate upgrade is not possible, explicitly set `RequiredPermissions = EndpointPermissions.Full` in the options for `HeapDumpEndpointOptions`, `EnvironmentEndpointOptions`, and `ThreadDumpEndpointOptions`; and/or if heap dump, thread dump, or environment are not needed in production, register only the required actuators individually instead of using `AddAllActuators()`.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00231,"percentile":0.13972,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-269","CWE-285"],"published":"2026-06-17T21:46:18Z","modified":"2026-10-28T02:30:23Z","fixes":[{"ecosystem":"NuGet","package":"Steeltoe.Management.Endpoint","fixed_in":["4.2.0"],"sources":["ghsa","osv"]},{"ecosystem":"NuGet","package":"Steeltoe.Management.EndpointBase","fixed_in":["3.4.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"NuGet","package":"Steeltoe.Management.Endpoint","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"4.1.0"},{"fixed":"4.2.0"}]}]},{"source":"ghsa","ecosystem":"NuGet","package":"Steeltoe.Management.EndpointBase","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"3.3.0"},{"fixed":"3.4.0"}]}]},{"source":"osv","ecosystem":"NuGet","package":"Steeltoe.Management.Endpoint","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.2.0"}]}],"versions":["1.1.0","1.1.0-rc3","4.0.0","4.0.0-beta1","4.0.0-rc1","4.1.0"]},{"source":"osv","ecosystem":"NuGet","package":"Steeltoe.Management.EndpointBase","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.0"}]}],"versions":["2.0.0","2.0.0-rc1","2.0.1","2.1.0","2.1.0-rc1","2.1.1","2.2.0","2.2.0-rc1","2.2.0-rc2","2.2.1","2.3.0","2.3.0-rc1","2.3.0-rc2","2.4.0","2.4.0-rc1","2.4.1","2.4.2","2.4.3","2.4.4","2.5.0","2.5.1","2.5.2","2.5.3","2.5.4","2.5.5","3.0.0","3.0.0-m1","3.0.0-m3","3.0.0-rc1","3.0.1","3.0.2","3.1.0","3.1.0-rc1","3.1.0-rc2","3.1.1","3.1.2","3.1.3","3.2.0","3.2.0-rc1","3.2.1","3.2.2","3.2.3","3.2.4","3.2.5","3.2.6","3.2.7","3.2.8","3.3.0"]}],"products":[{"vendor":"steeltoeoss","product":"steeltoe.management.endpoint"},{"vendor":"steeltoeoss","product":"steeltoe.management.endpointbase"}],"references":[{"url":"https://github.com/SteeltoeOSS/security-advisories/security/advisories/GHSA-227r-jm2g-7cp4","tags":["x_refsource_CONFIRM","advisory","web"]},{"url":"https://github.com/SteeltoeOSS/Steeltoe/commit/b39defa4db5f44f8696c456866b3a5b900d8d96b","tags":["x_refsource_MISC","fix","web"]},{"url":"https://github.com/SteeltoeOSS/Steeltoe/commit/da6c604decd992f61aeef763f5814102dcb088c7","tags":["x_refsource_MISC","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-50201","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-227r-jm2g-7cp4"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/50xxx/CVE-2026-50201.json","tags":["advisory"]},{"url":"https://github.com/SteeltoeOSS/security-advisories","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-50201","title":"Steeltoe's sensitive actuators (heapdump/env) only require Restricted permission","description":"Steeltoe is an open source project that provides a collection of libraries that helps users build cloud-native applications. In Steeltoe.Management.Endpoint prior to version 4.2.0 and Steeltoe.Management.EndpointCore prior to version 3.4.0, all Steeltoe actuator endpoints default to `EndpointPermissions.Restricted`, which is mappeds to Cloud Foundry's `read_basic_data` permission (granted to Space Auditors and similar low-trust roles). Sensitive actuators including heap dump, environment, and thread dump do not raise this to `EndpointPermissions.Full`, so CF's `read_sensitive_data` permission flag is not enforced for those endpoints. Spring Boot's equivalent Cloud Foundry integration gates these endpoints with `read_sensitive_data` by default. Steeltoe.Management.Endpoint 4.2.0 and Steeltoe.Management.EndpointCore 3.4.0 patch the issue. If an immediate upgrade is not possible, explicitly set `RequiredPermissions = EndpointPermissions.Full` in the options for `HeapDumpEndpointOptions`, `EnvironmentEndpointOptions`, and `ThreadDumpEndpointOptions`; and/or if heap dump, thread dump, or environment are not needed in production, register only the required actuators individually instead of using `AddAllActuators()`.","status":"published","published":"2026-06-17T21:46:18.114Z","modified":"2026-06-18T12:51:12.653Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-269","CWE-285"],"updated_at":"2026-11-02T14:20:09.098623Z"}],"euvd":[{"id":"EUVD-2026-37813","description":"Steeltoe is an open source project that provides a collection of libraries that helps users build cloud-native applications. In Steeltoe.Management.Endpoint prior to version 4.2.0 and Steeltoe.Management.EndpointCore prior to version 3.4.0, all Steeltoe actuator endpoints default to `EndpointPermissions.Restricted`, which is mappeds to Cloud Foundry's `read_basic_data` permission (granted to Space Auditors and similar low-trust roles). Sensitive actuators including heap dump, environment, and thread dump do not raise this to `EndpointPermissions.Full`, so CF's `read_sensitive_data` permission flag is not enforced for those endpoints. Spring Boot's equivalent Cloud Foundry integration gates these endpoints with `read_sensitive_data` by default. Steeltoe.Management.Endpoint 4.2.0 and Steeltoe.Management.EndpointCore 3.4.0 patch the issue. If an immediate upgrade is not possible, explicitly set `RequiredPermissions = EndpointPermissions.Full` in the options for `HeapDumpEndpointOptions`, `EnvironmentEndpointOptions`, and `ThreadDumpEndpointOptions`; and/or if heap dump, thread dump, or environment are not needed in production, register only the required actuators individually instead of using `AddAllActuators()`.","status":"published","published":"2026-06-17T21:46:18Z","modified":"2026-06-18T12:51:12Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T18:20:36.672794Z"}],"ghsa":[{"id":"GHSA-227r-jm2g-7cp4","title":"Steeltoe's sensitive actuators (heapdump/env) only require Restricted permission","description":"### Summary\n\nAll Steeltoe actuator endpoints default to `EndpointPermissions.Restricted`, which is mapped to Cloud Foundry's `read_basic_data` permission (granted to Space Auditors and similar low-trust roles). Sensitive actuators including heap dump, environment, and thread dump do not raise this to `EndpointPermissions.Full`, so CF's `read_sensitive_data` permission flag is not enforced for those endpoints. Spring Boot's equivalent Cloud Foundry integration gates these endpoints with `read_sensitive_data` by default.\n\n### Impact\n\nAny CF user holding Space Auditor, Space Manager, or Org Auditor role can access the heap dump, environment, and thread dump actuators for any Steeltoe application in their space. A heap dump contains all in-memory data including database passwords, bearer tokens, and VCAP_SERVICES credentials. CF's `read_sensitive_data` permission, which is specifically designed to gate this access, has no effect.\n\n### Affected configuration\n\n- Application is deployed on Cloud Foundry with CF actuator and security middleware active (added automatically by `AddAllActuators()` when a CF environment is detected).\n- The attacker holds a CF role that grants `read_basic_data`: Space Auditor, Space Manager, or Org Auditor.\n\n### Mitigations\n\nIf an immediate upgrade is not possible:\n\n- Explicitly set `RequiredPermissions = EndpointPermissions.Full` in the options for `HeapDumpEndpointOptions`, `EnvironmentEndpointOptions`, and `ThreadDumpEndpointOptions`.\n- If heap dump, thread dump, or environment are not needed in production, register only the required actuators individually instead of using `AddAllActuators()`.","status":"published","published":"2026-07-02T20:31:26Z","modified":"2026-07-02T20:31:28Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-269","CWE-285"],"updated_at":"2026-11-02T14:40:38.48196Z"}],"nvd":[{"id":"CVE-2026-50201","description":"Steeltoe is an open source project that provides a collection of libraries that helps users build cloud-native applications. In Steeltoe.Management.Endpoint prior to version 4.2.0 and Steeltoe.Management.EndpointCore prior to version 3.4.0, all Steeltoe actuator endpoints default to `EndpointPermissions.Restricted`, which is mappeds to Cloud Foundry's `read_basic_data` permission (granted to Space Auditors and similar low-trust roles). Sensitive actuators including heap dump, environment, and thread dump do not raise this to `EndpointPermissions.Full`, so CF's `read_sensitive_data` permission flag is not enforced for those endpoints. Spring Boot's equivalent Cloud Foundry integration gates these endpoints with `read_sensitive_data` by default. Steeltoe.Management.Endpoint 4.2.0 and Steeltoe.Management.EndpointCore 3.4.0 patch the issue. If an immediate upgrade is not possible, explicitly set `RequiredPermissions = EndpointPermissions.Full` in the options for `HeapDumpEndpointOptions`, `EnvironmentEndpointOptions`, and `ThreadDumpEndpointOptions`; and/or if heap dump, thread dump, or environment are not needed in production, register only the required actuators individually instead of using `AddAllActuators()`.","status":"published","published":"2026-06-17T23:17:04.313Z","modified":"2026-06-22T18:20:40.35Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-269","CWE-285"],"updated_at":"2026-11-02T14:12:24.544761Z"}],"osv":[{"id":"CVE-2026-50201","title":"Steeltoe's sensitive actuators (heapdump/env) only require Restricted permission","description":"Steeltoe is an open source project that provides a collection of libraries that helps users build cloud-native applications. In Steeltoe.Management.Endpoint prior to version 4.2.0 and Steeltoe.Management.EndpointCore prior to version 3.4.0, all Steeltoe actuator endpoints default to `EndpointPermissions.Restricted`, which is mappeds to Cloud Foundry's `read_basic_data` permission (granted to Space Auditors and similar low-trust roles). Sensitive actuators including heap dump, environment, and thread dump do not raise this to `EndpointPermissions.Full`, so CF's `read_sensitive_data` permission flag is not enforced for those endpoints. Spring Boot's equivalent Cloud Foundry integration gates these endpoints with `read_sensitive_data` by default. Steeltoe.Management.Endpoint 4.2.0 and Steeltoe.Management.EndpointCore 3.4.0 patch the issue. If an immediate upgrade is not possible, explicitly set `RequiredPermissions = EndpointPermissions.Full` in the options for `HeapDumpEndpointOptions`, `EnvironmentEndpointOptions`, and `ThreadDumpEndpointOptions`; and/or if heap dump, thread dump, or environment are not needed in production, register only the required actuators individually instead of using `AddAllActuators()`.","status":"published","published":"2026-06-17T21:46:18.114Z","modified":"2026-10-28T02:30:23.484948853Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-269","CWE-285"],"updated_at":"2026-11-02T15:45:07.431113Z"},{"id":"GHSA-227r-jm2g-7cp4","title":"Steeltoe's sensitive actuators (heapdump/env) only require Restricted permission","description":"### Summary\n\nAll Steeltoe actuator endpoints default to `EndpointPermissions.Restricted`, which is mapped to Cloud Foundry's `read_basic_data` permission (granted to Space Auditors and similar low-trust roles). Sensitive actuators including heap dump, environment, and thread dump do not raise this to `EndpointPermissions.Full`, so CF's `read_sensitive_data` permission flag is not enforced for those endpoints. Spring Boot's equivalent Cloud Foundry integration gates these endpoints with `read_sensitive_data` by default.\n\n### Impact\n\nAny CF user holding Space Auditor, Space Manager, or Org Auditor role can access the heap dump, environment, and thread dump actuators for any Steeltoe application in their space. A heap dump contains all in-memory data including database passwords, bearer tokens, and VCAP_SERVICES credentials. CF's `read_sensitive_data` permission, which is specifically designed to gate this access, has no effect.\n\n### Affected configuration\n\n- Application is deployed on Cloud Foundry with CF actuator and security middleware active (added automatically by `AddAllActuators()` when a CF environment is detected).\n- The attacker holds a CF role that grants `read_basic_data`: Space Auditor, Space Manager, or Org Auditor.\n\n### Mitigations\n\nIf an immediate upgrade is not possible:\n\n- Explicitly set `RequiredPermissions = EndpointPermissions.Full` in the options for `HeapDumpEndpointOptions`, `EnvironmentEndpointOptions`, and `ThreadDumpEndpointOptions`.\n- If heap dump, thread dump, or environment are not needed in production, register only the required actuators individually instead of using `AddAllActuators()`.","status":"published","published":"2026-07-02T20:31:26Z","modified":"2026-07-02T20:56:33.491755Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-269","CWE-285"],"updated_at":"2026-11-02T15:46:33.520522Z"}]}}
