CVE-2026-50545

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...

CVE-2026-49822

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 low-privilege developer who could create a KubernetesWatchTrigger KWT in their own namespace was able to establish a persistent...

CVE-2026-49824

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 Fission Function admission webhook pkg/webhook/function.go validated that spec.secrets.namespace and spec.configmaps.namespace...

CVE-2026-50566

Fission prior to v1.24.0 is affected: a tenant with environments.fission.io create/update RBAC could run privileged / allowPrivilegeEscalation / dangerous-capability containers in the Fission function or builder namespace, scheduled under the executor’s high-privilege service account. This enable...

CVE-2026-50566 Fission: Environment Runtime.Container and Builder.Container SecurityContext bypass allows privileged pod creation

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...

CVE-2026-50565 Fission builder pods auto-mount the fission-builder ServiceAccount token in the user-supplied builder container

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, Fission builder pods were created with ServiceAccountName: fission-builder and no AutomountServiceAccountToken: false, so the...

EUVD-2026-36101

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, Fission builder pods were created with ServiceAccountName: fission-builder and no AutomountServiceAccountToken: false, so the...

CVE-2026-50565 Fission builder pods auto-mount the fission-builder ServiceAccount token in the user-supplied builder container

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, Fission builder pods were created with ServiceAccountName: fission-builder and no AutomountServiceAccountToken: false, so the...

CVE-2026-50564

CVE-2026-50564 concerns Fission’s Environment CRD prior to version 1.24.0, where spec.runtime.podSpec and spec.builder.podSpec were merged into runtime/builder pod specs without filtering. This allowed propagation of hostNetwork, hostPID, hostIPC, container privileged, and serviceAccountName from...

CVE-2026-50564 Fission Environment CRD podspec passthrough enables hostPID/hostNetwork/privileged pods, node escape

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, Fission's Environment CRD exposes spec.runtime.podSpec and spec.builder.podSpec, which are merged into the Kubernetes pod specs fo...

EUVD-2026-36100

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, Fission's Environment CRD exposes spec.runtime.podSpec and spec.builder.podSpec, which are merged into the Kubernetes pod specs fo...

CVE-2026-50563

Fission before v1.24.0 allows a tenant to supply Function.spec.podspec, which is merged into the executor-built podspec and used to create a Deployment for the user’s container image. This directly explains the root cause of the listed vulnerability and aligns with the patched state in v1.24.0. T...

CVE-2026-50563 Fission Container Executor Function PodSpec Injection Leading to Node Escape

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, Fission's Container Executor path lets a tenant supply Function.spec.podspec directly; the executor merges it into the...

CVE-2026-50545 Fission Environment CRD PodSpec Injection Leading to Node Escape and Cluster Takeover

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...

CVE-2026-50545

Fission (Kubernetes-native serverless) prior to version 1.24.0 allowed Environment.spec.runtime.podSpec and spec.builder.podSpec passthrough without validation, and MergePodSpec could propagate dangerous fields into generated pods. This CVE—CVE-2026-50545—describes a PodSpec injection with potent...

CVE-2026-50545 Fission Environment CRD PodSpec Injection Leading to Node Escape and Cluster Takeover

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...

CVE-2026-49824

Fission (Kubernetes-native serverless framework) prior to v1.24.0 allowed a cross-namespace environment reference via the Function admission webhook because spec.environment.namespace was not validated, unlike spec.secrets[].namespace and spec.configmaps[].namespace. The issue affects the Functio...

EUVD-2026-36097

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 Fission Function admission webhook pkg/webhook/function.go validated that spec.secrets.namespace and spec.configmaps.namespace...

CVE-2026-49824 Fission: Cross-namespace Environment reference via unvalidated EnvironmentRef in Function admission webhook

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 Fission Function admission webhook pkg/webhook/function.go validated that spec.secrets.namespace and spec.configmaps.namespace...

EUVD-2026-36096

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 Fission Function spec carries three reference types — Secret, ConfigMap, and Package. The first two were namespace-validated by...