{"id":"EUVD-2026-37820","enisaUuid":"b8e659cb-7824-3c20-ba20-dc6e3cb5694d","description":"Steeltoe is an open source project that provides a collection of libraries that helps users build cloud-native applications. In Steeltoe.Configuration.Abstractions 4.0.0 through 4.1.0, when MySQL or PostgreSQL service bindings from `VCAP_SERVICES` include TLS client credentials, the Connectors library writes those credentials to temporary files in `Path.GetTempPath()` using `File.CreateText`. On Linux, `File.CreateText` creates files with mode `0644` (world-readable) under the process umask, and the files are never deleted. The same key material is protected at mode `0400` in `/proc/\u003cpid\u003e/environ`. Steeltoe.Configuration.Abstractions version 4.2.0 patches the issue. If an immediate upgrade is not possible, prevent other processes from running in the container under a different UID with access to `/tmp`.","datePublished":"Jun 17, 2026, 9:57:09 PM","dateUpdated":"Jun 18, 2026, 7:11:04 PM","baseScore":4.7,"baseScoreVersion":"3.1","baseScoreVector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","references":"https://github.com/SteeltoeOSS/security-advisories/security/advisories/GHSA-rxrh-4j9h-xgg9\nhttps://github.com/SteeltoeOSS/Steeltoe/commit/8dd97cc6c4b184121a4bd1f92f9ac16918433471\n","aliases":"CVE-2026-50267\nGHSA-rxrh-4j9h-xgg9\n","assigner":"GitHub_M","epss":0.07,"enisaIdProduct":[{"id":"1eab32c7-07ac-34a5-9d0f-3a2966eb2f36","product":{"name":"Steeltoe.Configuration.Abstractions","vendor":{"name":"SteeltoeOSS"}},"product_version":"4.0.0, \u003c 4.2.0"}],"enisaIdVendor":[{"id":"52052f2e-5dc1-3515-be44-95dd080248c3","vendor":{"name":"SteeltoeOSS"}}],"enisaIdVulnerability":[{"id":"cfeea373-1f72-351e-987f-eedb71197d96","vulnerability":{"id":"GHSA-rxrh-4j9h-xgg9","description":"Steeltoe: TLS private keys written to /tmp with default permissions, never deleted","datePublished":"Jul 2, 2026, 8:32:09 PM","dateUpdated":"Jul 2, 2026, 8:32:09 PM","baseScore":0.0,"references":"https://github.com/SteeltoeOSS/security-advisories/security/advisories/GHSA-rxrh-4j9h-xgg9\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-50267\nhttps://github.com/SteeltoeOSS/Steeltoe/commit/8dd97cc6c4b184121a4bd1f92f9ac16918433471\nhttps://github.com/SteeltoeOSS/security-advisories\n","enisa_id":"EUVD-2026-37820\n","aliases":"CVE-2026-50267\nGHSA-rxrh-4j9h-xgg9\n","epss":0.0,"dataProcessed":"Oct 25, 2026, 1:57:47 AM","vulnerabilityProduct":[],"vulnerabilityVendor":[]}},{"id":"f673705f-21a7-37e3-a905-46f9a6c88bf1","vulnerability":{"id":"CVE-2026-50267","description":"Steeltoe is an open source project that provides a collection of libraries that helps users build cloud-native applications. In Steeltoe.Configuration.Abstractions 4.0.0 through 4.1.0, when MySQL or PostgreSQL service bindings from `VCAP_SERVICES` include TLS client credentials, the Connectors library writes those credentials to temporary files in `Path.GetTempPath()` using `File.CreateText`. On Linux, `File.CreateText` creates files with mode `0644` (world-readable) under the process umask, and the files are never deleted. The same key material is protected at mode `0400` in `/proc/\u003cpid\u003e/environ`. Steeltoe.Configuration.Abstractions version 4.2.0 patches the issue. If an immediate upgrade is not possible, prevent other processes from running in the container under a different UID with access to `/tmp`.","datePublished":"Jun 17, 2026, 9:57:09 PM","dateUpdated":"Jun 18, 2026, 7:11:04 PM","status":"PUBLISHED","baseScore":4.7,"baseScoreVersion":"3.1","baseScoreVector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","references":"https://github.com/SteeltoeOSS/security-advisories/security/advisories/GHSA-rxrh-4j9h-xgg9\nhttps://github.com/SteeltoeOSS/Steeltoe/commit/8dd97cc6c4b184121a4bd1f92f9ac16918433471\n","enisa_id":"EUVD-2026-37820\n","assigner":"GitHub_M","epss":0.07,"dataProcessed":"Oct 28, 2026, 7:15:09 AM","vulnerabilityProduct":[{"id":"d7e3c014-6fd0-3de5-b04a-a283df6e997d","product":{"name":"Steeltoe.Configuration.Abstractions","vendor":{"name":"SteeltoeOSS"}},"product_version":"4.0.0, \u003c 4.2.0"}],"vulnerabilityVendor":[{"id":"0744cba5-9e3d-3101-9df0-04209ca58e67","vendor":{"name":"SteeltoeOSS"}}]}}],"enisaIdAdvisory":[]}