{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-50545","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-06-04T20:37:18.653Z","datePublished":"2026-06-10T17:26:20.647Z","dateUpdated":"2026-06-12T03:55:19.795Z"},"containers":{"cna":{"title":"Fission Environment CRD PodSpec Injection Leading to Node Escape and Cluster Takeover","problemTypes":[{"descriptions":[{"cweId":"CWE-269","lang":"en","description":"CWE-269: Improper Privilege Management","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-284","lang":"en","description":"CWE-284: Improper Access Control","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-693","lang":"en","description":"CWE-693: Protection Mechanism Failure","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-wmgg-3p4h-48x7","tags":["x_refsource_CONFIRM"],"url":"https://github.com/fission/fission/security/advisories/GHSA-wmgg-3p4h-48x7"},{"name":"https://github.com/fission/fission/pull/3390","tags":["x_refsource_MISC"],"url":"https://github.com/fission/fission/pull/3390"},{"name":"https://github.com/fission/fission/pull/3391","tags":["x_refsource_MISC"],"url":"https://github.com/fission/fission/pull/3391"},{"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":"2026-06-10T17:26:20.647Z"},"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, the Environment.spec.runtime.podSpec / spec.builder.podSpec passthrough lacked validation, and MergePodSpec propagated dangerous fields into the generated pods. This issue has been patched in version 1.24.0."}],"source":{"advisory":"GHSA-wmgg-3p4h-48x7","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-11T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-50545"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-06-12T03:55:19.795Z"}}]}}