GO-2026-5860 Fission Environment CRD PodSpec Injection Leading to Node Escape and Cluster Takeover in github.com/fission/fission

Fission Environment CRD PodSpec Injection Leading to Node Escape and Cluster Takeover in github.com/fission/fission...

GHSA-M63V-2G9W-2W6V Fission: Environment Runtime.Container and Builder.Container SecurityContext bypass allows privileged pod creation

Summary A follow-up bypass of the round-4 PodSpec hardening GHSA-gx55-f84r-v3r7, GHSA-wmgg-3p4h-48x7, GHSA-v455-mv2v-5g92. Those advisories validate and sanitize the PodSpec spec.runtime.podSpec / spec.builder.podSpec / function.spec.podSpec, but the Environment CRD also exposes...

EUVD-2026-36098

Fission Environment CRD PodSpec Injection Leading to Node Escape and Cluster Takeover...

Access Control Bypass

Overview Affected versions of this package are vulnerable to Access Control Bypass via the getEnvVarlist function and the process that merges user-supplied PodSpec fields. An attacker can access sensitive secret values and escalate privileges by creating a specially crafted MessageQueueTrigger th...

Fission: MessageQueueTrigger scaler manager materializes Secret values into Deployment envvars and accepts arbitrary user PodSpec

Summary The Fission MessageQueueTrigger MQT scaler controller exposed two privilege-escalation primitives to any subject able to create MQTs in a namespace. Details 1. Secret materialization. getEnvVarlist in pkg/mqtrigger/scalermanager.go read the Secret named in Spec.Secret using the controller...

Improper Privilege Management

Overview Affected versions of this package are vulnerable to Improper Privilege Management due to improper validation of user-supplied pod specifications in the Environment process. An attacker can gain elevated privileges and potentially escape the node by specifying dangerous fields such as...

CVE-2026-50564

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-2026-50564 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...

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...

Fission 安全漏洞

Fission is an open-source function deployment framework based on Kubernetes. Versions of Fission prior to 1.24.0 contain security vulnerabilities. These vulnerabilities arise from the exposure of spec.runtime.podSpec and spec.builder.podSpec in the Environment CRD during merging, without filterin...