{"id":"CVE-2026-50565","state":"PUBLISHED","title":"Fission builder pods auto-mount the fission-builder ServiceAccount token in the user-supplied builder container","description":"Fission is an open-source, Kubernetes-native serverless framework that simplifies the deployment of functions and applications on Kubernetes. Prior to version 1.24.0, Fission builder pods were created with ServiceAccountName: fission-builder and no AutomountServiceAccountToken: false, so the kubelet auto-mounted the service-account token into every container in the pod — including the user-supplied builder image. This issue has been patched in version 1.24.0.","publishedAt":"2026-06-10T17:28:27.457Z","updatedAt":"2026-06-10T18:42:31.704Z","severity":{"score":4.9,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["fission fission"],"affected":[{"vendor":"fission","product":"fission","versions":[{"version":"< 1.24.0","status":"affected"}]}],"references":["https://github.com/fission/fission/security/advisories/GHSA-8wcj-mfrc-jx5q","https://github.com/fission/fission/pull/3390","https://github.com/fission/fission/releases/tag/v1.24.0"],"weaknesses":["CWE-250","CWE-269","CWE-538"],"ingestedAt":"2026-10-29T20:12:16.098Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/50xxx/CVE-2026-50565.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-50565","state":"PUBLISHED","datePublished":"2026-06-10T17:28:27.457Z","dateUpdated":"2026-06-10T18:42:31.704Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-04T21:34:34.426Z"},"containers":{"cna":{"title":"Fission builder pods auto-mount the fission-builder ServiceAccount token in the user-supplied builder container","descriptions":[{"lang":"en","value":"Fission is an open-source, Kubernetes-native serverless framework that simplifies the deployment of functions and applications on Kubernetes. Prior to version 1.24.0, Fission builder pods were created with ServiceAccountName: fission-builder and no AutomountServiceAccountToken: false, so the kubelet auto-mounted the service-account token into every container in the pod — including the user-supplied builder image. This issue has been patched in version 1.24.0."}],"affected":[{"vendor":"fission","product":"fission","versions":[{"version":"< 1.24.0","status":"affected"}]}],"references":[{"url":"https://github.com/fission/fission/security/advisories/GHSA-8wcj-mfrc-jx5q","name":"https://github.com/fission/fission/security/advisories/GHSA-8wcj-mfrc-jx5q","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/fission/fission/pull/3390","name":"https://github.com/fission/fission/pull/3390","tags":["x_refsource_MISC"]},{"url":"https://github.com/fission/fission/releases/tag/v1.24.0","name":"https://github.com/fission/fission/releases/tag/v1.24.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.9,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-250","lang":"en","description":"CWE-250: Execution with Unnecessary Privileges","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-269","lang":"en","description":"CWE-269: Improper Privilege Management","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-538","lang":"en","description":"CWE-538: Insertion of Sensitive Information into Externally-Accessible File or Directory","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-06-10T17:28:27.457Z"},"source":{"advisory":"GHSA-8wcj-mfrc-jx5q","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-10T18:38:05.730903Z","id":"CVE-2026-50565","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-10T18:42:31.704Z"}}]}}}