CVE-2026-50568 Fission: SanitizeFilePath lexical HasPrefix bypass permits sibling-directory escape

Fission is an open-source, Kubernetes-native serverless framework that simplifies the deployment of functions and applications on Kubernetes. Prior to version 1.25.0, SanitizeFilePath in pkg/utils/utils.go validated that a path stayed under a safe directory by calling strings.HasPrefixpath,...

CVE-2026-50567

CVE-2026-50567 affects Fission prior to 1.25.0. The vulnerability resides in Unarchive (pkg/utils/zip.go) where archive entry paths are joined with the destination path without validating that the final path stays under the destination. An attacker who can control a Package.Spec.Source.URL or Dep...

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-2026-50566 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-2026-50563 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-2026-49822 Fission: Cross-namespace event leakage via KubernetesWatchTrigger allows persistent tenant surveillance

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...

EUVD-2026-36093

Fission is an open-source, Kubernetes-native serverless framework that simplifies the deployment of functions and applications on Kubernetes. Prior to version 1.23.0, before the round-1 security sweep, pkg/builder/builder.go passed Environment.spec.builder.command directly into exec.Command...

CVE-2026-46618

CVE-2026-46618 affects Fission before v1.23.0: pkg/builder/builder.go passed Environment.spec.builder.command directly to exec.Command after strings.Fields, with no validation of the executable path or arguments. A user with Environment CRD privileges in a namespace could point the builder pod to...

EUVD-2026-36092

Fission is an open-source, Kubernetes-native serverless framework that simplifies the deployment of functions and applications on Kubernetes. Prior to version 1.23.0, Fission runtime pods were created with ServiceAccountName: fission-fetcher, and the fission-fetcher ServiceAccount was granted...

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...

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 stem from the Container Executor’s path, which allows tenants to directly provide Function.spec.podspec. The executor merges thi...

Fission 路径遍历漏洞

Fission is an open-source function deployment framework based on Kubernetes. Versions of Fission prior to 1.25.0 contained a path traversal vulnerability. This vulnerability stemmed from the Unarchive function using filepath.Join to concatenate the archive entry name with the target directory,...

Fission 输入验证错误漏洞

Fission is an open-source function deployment framework based on Kubernetes. Versions of Fission prior to 1.25.0 contained a input validation vulnerability. This vulnerability stemmed from the HTTPTriggerSpec.Validate method, which ignored the RelativeURL and Prefix fields during validation. As a...

Fission 安全漏洞

Fission is an open-source function deployment framework based on Kubernetes. Versions of Fission prior to 1.25.0 contained security vulnerabilities. These vulnerabilities stemmed from a lack of inclusion of CAPSYSTIME in the capability checks during PodSpec security validation. As a result, tenan...

PT-2026-48511

Name of the Vulnerable Software and Affected Versions Fission versions prior to 1.24.0 Description An issue exists in the Kubernetes-native serverless framework where a tenant with environments.fission.io create/update RBAC permissions can deploy containers with privileged access,...

Fission 安全漏洞

Fission is an open-source function deployment framework based on Kubernetes. Versions of Fission prior to 1.25.0 contain security vulnerabilities. These vulnerabilities stem from the SanitizeFilePath function, which uses string prefix checks instead of directory boundary checks. As a result,...

Fission 安全漏洞

Fission is an open-source function deployment framework based on Kubernetes. Versions of Fission prior to 1.24.0 contained security vulnerabilities. These vulnerabilities stemmed from tenants with permissions to execute privileged/allowed-privileged/hazardous containers, under the account with hi...

Fission 安全漏洞

Fission is an open-source function deployment framework based on Kubernetes. Versions of Fission prior to 1.24.0 contained a security vulnerability. This vulnerability stemmed from the lack of validation in the Environment.spec.runtime.podSpec/spec.builder.podSpec field. When using MergePodSpec,...

Fission 访问控制错误漏洞

Fission is an open-source function deployment framework based on Kubernetes. Versions of Fission prior to 1.24.0 contained a access control vulnerability. This vulnerability stemmed from the Fission Function’s access webhook verifying that the spec.secrets.namespace and spec.configmaps.namespace...