GHSA-CVQ5-HHX3-F99P Kyverno: Cross-Namespace Read Bypasses RBAC Isolation (CVE-2026-22039 Incomplete Fix)

Summary CVE-2026-22039 fixed cross-namespace privilege escalation in Kyverno's apiCall context by validating the URLPath field. However, the ConfigMap context loader has the identical vulnerability — the configMap.namespace field accepts any namespace with zero validation, allowing a namespace...

CVE-2026-6388 Argocd-image-updater: argocd image updater: cross-namespace privilege escalation via insufficient namespace validation

A flaw was found in ArgoCD Image Updater. This vulnerability allows an attacker, with permissions to create or modify an ImageUpdater resource in a multi-tenant environment, to bypass namespace boundaries. By exploiting insufficient validation, the attacker can trigger unauthorized image updates ...

CVE-2026-6388

The CVE describes a vulnerability in ArgoCD Image Updater where a user with rights to create/modify an ImageUpdater in a multi-tenant environment can bypass namespace boundaries due to insufficient validation. This leads to cross-namespace privilege escalation and unauthorized image updates on ap...

CVE-2026-6388 Argocd-image-updater: argocd image updater: cross-namespace privilege escalation via insufficient namespace validation

A flaw was found in ArgoCD Image Updater. This vulnerability allows an attacker, with permissions to create or modify an ImageUpdater resource in a multi-tenant environment, to bypass namespace boundaries. By exploiting insufficient validation, the attacker can trigger unauthorized image updates ...

Insufficient Granularity of Access Control

Overview Affected versions of this package are vulnerable to Insufficient Granularity of Access Control in namespace validation for the ImageUpdater resources. An attacker can perform unauthorized image updates on applications in other namespaces by creating or modifying ImageUpdater resources,...

CVE-2026-21726 Loki Path Traversal - CVE-2021-36156 Bypass

The CVE-2021-36156 fix validates the namespace parameter for path traversal sequences after a single URL decode, by double encoding, an attacker can read files at the Ruler API endpoint /loki/api/v1/rules/namespace Thanks to Prasanth Sundararajan for reporting this vulnerability...

CVE-2026-4398

GitLab has remediated an issue in GitLab EE affecting all versions from 18.3 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user could have assigned compliance frameworks from namespaces they were not authorized to access to their own...

CVE-2026-4398: Authorization Bypass Through User-Controlled Key

GitLab has remediated an issue in GitLab EE affecting all versions from 18.3 before 19.1.7, 19.2 before 19.2.5, and 19.3 before 19.3.1 that, under certain conditions, an authenticated user could have assigned compliance frameworks from namespaces they were not authorized to access to their own...

PT-2026-82678

Name of the Vulnerable Software and Affected Versions GitLab EE versions 18.3 through 19.1.6 GitLab EE versions 19.2 through 19.2.4 GitLab EE versions 19.3 through 19.3.0 Description An issue exists on self-managed instances where missing namespace validation allows an authenticated user to assig...

EUVD-2026-17995

A writer role user in an attacker-controlled namespace could signal, delete, and reset workflows or activities in a victim namespace on the same cluster. Exploitation requires the attacker to know or guess specific victim workflow IDs and, for signal operations, signal names. This was due to a bu...

CVE-2026-23189

CVE-2026-23189 concerns a NULL pointer dereference in ceph_mds_auth_match() within the CephFS kernel client. The patch reworks ceph_mdsmap_decode() and namespace_equals() so that ceph_mdsmap contains an extracted FS name (m_fs_name) and the code path uses this value for strict authorization check...

SUSE CVE-2025-14986

When frontend.enableExecuteMultiOperation is enabled, the server can apply namespace-scoped validation and feature gates for the embedded StartWorkflowExecutionRequest using its Namespace field rather than the outer, authorized ExecuteMultiOperationRequest.Namespace. This allows a caller authoriz...

CVE-2025-14986

When frontend.enableExecuteMultiOperation is enabled, the server can apply namespace-scoped validation and feature gates for the embedded StartWorkflowExecutionRequest using its Namespace field rather than the outer, authorized ExecuteMultiOperationRequest.Namespace. This allows a caller authoriz...

GHSA-P2GR-HM8G-Q772 Temporal has a namespace policy bypass allowing requests to be authorized for incorrect contexts

When frontend.enableExecuteMultiOperation is enabled, the server can apply namespace-scoped validation and feature gates for the embedded StartWorkflowExecutionRequest using its Namespace field rather than the outer, authorized ExecuteMultiOperationRequest.Namespace. This allows a caller authoriz...

EUVD-2025-205854

When frontend.enableExecuteMultiOperation is enabled, the server can apply namespace-scoped validation and feature gates for the embedded StartWorkflowExecutionRequest using its Namespace field rather than the outer, authorized ExecuteMultiOperationRequest.Namespace. This allows a caller authoriz...

Temporal has a namespace policy bypass allowing requests to be authorized for incorrect contexts

When frontend.enableExecuteMultiOperation is enabled, the server can apply namespace-scoped validation and feature gates for the embedded StartWorkflowExecutionRequest using its Namespace field rather than the outer, authorized ExecuteMultiOperationRequest.Namespace. This allows a caller authoriz...

CVE-2025-14986

When frontend.enableExecuteMultiOperation is enabled, the server can apply namespace-scoped validation and feature gates for the embedded StartWorkflowExecutionRequest using its Namespace field rather than the outer, authorized ExecuteMultiOperationRequest.Namespace. This allows a caller authoriz...

CVE-2025-14986 ExecuteMultiOperation Namespace Policy Bypass

When frontend.enableExecuteMultiOperation is enabled, the server can apply namespace-scoped validation and feature gates for the embedded StartWorkflowExecutionRequest using its Namespace field rather than the outer, authorized ExecuteMultiOperationRequest.Namespace. This allows a caller authoriz...

PT-2025-54224

Name of the Vulnerable Software and Affected Versions Temporal versions 1.24.0 through 1.29.1 Description When the frontend.enableExecuteMultiOperation setting is enabled, the server incorrectly applies namespace-scoped validation and feature gates. Specifically, it uses the Namespace field from ...

Temporal 安全漏洞

Temporal is a persistent execution platform open-sourced by temporal.io. A security vulnerability exists in Temporal versions 1.24.0 through 1.29.1, which stems from improper namespace validation and could lead to bypassing restrictions or policies...