EUVD-2026-36096

Fission: Cross-namespace Package read via unvalidated PackageRef 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-2026-36095

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

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...

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...

EUVD-2026-36094

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

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...

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...

Access Control Bypass

Overview Affected versions of this package are vulnerable to Access Control Bypass via the /fission-function route on the public listener. An attacker can execute arbitrary functions by sending crafted requests that specify the target function's namespace and name, bypassing intended access...

Execution with Unnecessary Privileges

Overview Affected versions of this package are vulnerable to Execution with Unnecessary Privileges via the genDeploymentSpec and genDeploymentSpec pod construction paths in the newdeploy and generic pool components. An attacker can obtain the fission-fetcher service account token from the user-co...

Execution with Unnecessary Privileges

Overview Affected versions of this package are vulnerable to Execution with Unnecessary Privileges via the genDeploymentSpec and genDeploymentSpec pod construction paths in the newdeploy and generic pool components. An attacker can obtain the fission-fetcher service account token from the user-co...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function via the storagesvc HTTP router, which registers the /v1/archive and /v1/archives endpoints without authentication or authorization checks. An attacker can enumerate, download, upload, or dele...

Missing Authentication for Critical Function

Overview Affected versions of this package are vulnerable to Missing Authentication for Critical Function via the storagesvc HTTP router, which registers the /v1/archive and /v1/archives endpoints without authentication or authorization checks. An attacker can enumerate, download, upload, or dele...

Command Injection

Overview Affected versions of this package are vulnerable to Command Injection via the builder process. An attacker can execute arbitrary commands within the builder pod context by supplying crafted values to the Environment.spec.builder.command field when creating or updating Environment CRDs in...

Command Injection

Overview Affected versions of this package are vulnerable to Command Injection via the builder process. An attacker can execute arbitrary commands within the builder pod context by supplying crafted values to the Environment.spec.builder.command field when creating or updating Environment CRDs in...

Command Injection

Overview Affected versions of this package are vulnerable to Command Injection via the builder process. An attacker can execute arbitrary commands within the builder pod context by supplying crafted values to the Environment.spec.builder.command field when creating or updating Environment CRDs in...

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...