EUVD-2026-36099

Fission Container Executor Function PodSpec Injection Leading to Node Escape...

EUVD-2026-36098

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

EUVD-2026-36097

Fission: Cross-namespace Environment reference via unvalidated EnvironmentRef in Function admission webhook...

Fission: Cross-namespace Package read via unvalidated PackageRef in Function admission webhook

Summary A Fission Function spec carries three reference types — Secret, ConfigMap, and Package. The first two were namespace-validated by the admission webhook; PackageRef.Namespace was not. Details A tenant with functions.fission.io/create in their own namespace could set...

EUVD-2026-36096

Fission: Cross-namespace Package read via unvalidated PackageRef in Function admission webhook...

GHSA-3R8V-2XMJ-5C39 Fission: Cross-namespace Package read via unvalidated PackageRef in Function admission webhook

Summary A Fission Function spec carries three reference types — Secret, ConfigMap, and Package. The first two were namespace-validated by the admission webhook; PackageRef.Namespace was not. Details A tenant with functions.fission.io/create in their own namespace could set...

EUVD-2026-36095

Fission: Cross-namespace event leakage via KubernetesWatchTrigger allows persistent tenant surveillance...

EUVD-2026-36094

Fission: Cross-namespace Environment reference in Package allows build-time command execution and SA token exfiltration...

Fission: Cross-namespace Environment reference in Package allows build-time command execution and SA token exfiltration

Summary Fission's buildermgr controller processed Package CRDs without verifying that Package.spec.environment.namespace matched Package.metadata.namespace. Details An attacker with packages.fission.io/create in their own namespace could set spec.environment.namespace to any other tenant's...

GHSA-VJHC-CF4P-72Q4 Fission: Cross-namespace Environment reference in Package allows build-time command execution and SA token exfiltration

Summary Fission's buildermgr controller processed Package CRDs without verifying that Package.spec.environment.namespace matched Package.metadata.namespace. Details An attacker with packages.fission.io/create in their own namespace could set spec.environment.namespace to any other tenant's...

GO-2026-5323 Fission StorageSvc /v1/archive endpoint exposes unauthenticated CRUD over all function archives in github.com/fission/fission

Fission StorageSvc /v1/archive endpoint exposes unauthenticated CRUD over all function archives in github.com/fission/fission...

GO-2026-5241 Fission runtime pods automount the fission-fetcher service-account token into the user function container, granting function code namespace-wide secret / configmap read in github.com/fission/fission

Fission runtime pods automount the fission-fetcher service-account token into the user function container, granting function code namespace-wide secret / configmap read in github.com/fission/fission...

GO-2026-5230 Fission builder accepts arbitrary buildcmd strings from Environment.spec.builder.command, allowing the builder pod to invoke arbitrary executables in github.com/fission/fission

Fission builder accepts arbitrary buildcmd strings from Environment.spec.builder.command, allowing the builder pod to invoke arbitrary executables in github.com/fission/fission...

GO-2026-5082 Fission router exposes /fission-function/<ns>/<name> on its public listener, allowing invocation of any function without an HTTPTrigger in github.com/fission/fission

Fission router exposes /fission-function// on its public listener, allowing invocation of any function without an HTTPTrigger in github.com/fission/fission...

Unintended Proxy or Intermediary ('Confused Deputy')

Overview Affected versions of this package are vulnerable to Unintended Proxy or Intermediary 'Confused Deputy' via improper validation of the namespace field in the Package custom resource definition. An attacker can execute arbitrary commands during the build process and exfiltrate service...

Access Control Bypass

Overview Affected versions of this package are vulnerable to Access Control Bypass via the KubernetesWatchTrigger process. An attacker can gain unauthorized access to sensitive events from other namespaces by creating a KubernetesWatchTrigger in their own namespace, enabling persistent surveillan...

Access Control Bypass

Overview Affected versions of this package are vulnerable to Access Control Bypass via the KubernetesWatchTrigger process. An attacker can gain unauthorized access to sensitive events from other namespaces by creating a KubernetesWatchTrigger in their own namespace, enabling persistent surveillan...

Access Control Bypass

Overview Affected versions of this package are vulnerable to Access Control Bypass in the Function admission webhook due to lack of namespace validation for the PackageRef.Namespace field. An attacker can access package data from other namespaces by submitting a crafted function specification...

Access Control Bypass

Overview Affected versions of this package are vulnerable to Access Control Bypass in the Function admission webhook due to lack of validation on the spec.environment.namespace field. An attacker can gain unauthorized access to environments in other namespaces by referencing them in a function...

Improper Privilege Management

Overview Affected versions of this package are vulnerable to Improper Privilege Management via the MergePodSpec process. An attacker can gain unauthorized access to cluster nodes and potentially take control of the entire cluster by injecting malicious fields into the podSpec configuration...