CVE-2026-50545
Fission Environment CRD PodSpec Injection Leading to Node Escape and Cluster Takeover
CVSS Score
9.9
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-269 CWE-284 CWE-693 |
| Vendor | fission |
| Product | fission |
| Published | Jun 10, 2026 |
| Last Updated | Jun 10, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
fission / fission
< 1.24.0