{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-50566","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-06-04T21:34:34.426Z","datePublished":"2026-06-10T17:29:35.349Z","dateUpdated":"2026-06-12T12:44:18.213Z"},"containers":{"cna":{"title":"Fission: Environment Runtime.Container and Builder.Container SecurityContext bypass allows privileged pod creation","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"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.9,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"}}],"references":[{"name":"https://github.com/fission/fission/security/advisories/GHSA-m63v-2g9w-2w6v","tags":["x_refsource_CONFIRM"],"url":"https://github.com/fission/fission/security/advisories/GHSA-m63v-2g9w-2w6v"},{"name":"https://github.com/fission/fission/pull/3406","tags":["x_refsource_MISC"],"url":"https://github.com/fission/fission/pull/3406"},{"name":"https://github.com/fission/fission/releases/tag/v1.24.0","tags":["x_refsource_MISC"],"url":"https://github.com/fission/fission/releases/tag/v1.24.0"}],"affected":[{"vendor":"fission","product":"fission","versions":[{"version":"< 1.24.0","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-06-10T17:29:35.349Z"},"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, a tenant with environments.fission.io create/update RBAC can run privileged / allowPrivilegeEscalation / dangerous-capability containers in the Fission function or builder namespace, scheduled under the executor's high-privilege service account — enabling container-sandbox escape, host filesystem and network access, and potential node- and cluster-level compromise. This issue has been patched in version 1.24.0."}],"source":{"advisory":"GHSA-m63v-2g9w-2w6v","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-12T03:55:23.879271Z","id":"CVE-2026-50566","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-06-12T12:44:18.213Z"}}]}}