CVE-2026-46612
Fission · Fission
Fission, a Kubernetes-native serverless framework, contains a vulnerability that requires immediate attention from users of the platform.
Executive summary
A high-severity vulnerability has been identified in the Fission serverless framework, requiring urgent review and remediation to maintain cluster security.
Vulnerability
Fission is an open-source, Kubernetes-native serverless framework. While specific technical details are currently limited, the vulnerability is classified as high severity, indicating a potential risk to the integrity or availability of the Kubernetes-native environment.
Business impact
With a CVSS score of 8.8, this vulnerability represents a significant risk. As Fission manages the deployment of serverless functions within Kubernetes, an exploit could potentially allow for unauthorized code execution, privilege escalation within the cluster, or disruption of serverless workloads.
Remediation
Immediate Action: Monitor official Fission security communications and apply vendor-recommended updates or patches as soon as they become available.
Proactive Monitoring: Review Kubernetes audit logs for unauthorized access to Fission-related resources and monitor serverless function execution for anomalous behavior.
Compensating Controls: Apply strict Kubernetes RBAC policies to limit the permissions associated with Fission components to the minimum necessary for operation.
Exploitation status
Public Exploit Available: False
Analyst recommendation
Given the high CVSS score, organizations utilizing Fission must stay updated on security disclosures. Immediate application of patches upon release is recommended to mitigate the risk of cluster-level compromise or service disruption.