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.
History

Wed, 10 Jun 2026 18:15:00 +0000

Type Values Removed Values Added
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, 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.
Title Fission Environment CRD PodSpec Injection Leading to Node Escape and Cluster Takeover
Weaknesses CWE-269
CWE-284
CWE-693
References
Metrics cvssV3_1

{'score': 9.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-06-10T19:31:07.073Z

Reserved: 2026-06-04T20:37:18.653Z

Link: CVE-2026-50545

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2026-06-10T18:17:12.467

Modified: 2026-06-10T19:37:41.437

Link: CVE-2026-50545

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.