CVE-2026-53718

A flaw was found in Envoy Gateway. An attacker could exploit a vulnerability in how HTTPRoute handles custom backend references. This allows a route-owning namespace to access and utilize resources in another namespace without proper authorization, bypassing the intended Gateway API cross-namespa...

CVE-2026-54495

The OpenFeature Operator allows users to expose feature flags to applications. In version 0.9.2 and earlier, a tenant who can create a controller-owned workload can use the openfeature.dev/featureflagsource annotation with NAMESPACE/NAME syntax to reference a FeatureFlagSource or...

CVE-2026-54495

CVE-2026-54495 affects the OpenFeature Operator (version 0.9.2 and earlier). A tenant who can create a controller-owned workload can use the openfeature.dev/featureflagsource annotation with {NAMESPACE}/{NAME} syntax to reference a FeatureFlagSource or InProcessConfiguration in another namespace....

GHSA-XV26-6W52-CPH6 vulnerabilities

Vulnerabilities for packages: argo-workflows...

Linux Distros Unpatched Vulnerability : CVE-2026-89766

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - pidfd: hold execupdatelock around namespace ioctl The PIDFDGETNAMESPACE ioctls in pidfdioctl perform a filesystem credentials ptrace access check before handing...

DEBIAN-CVE-2026-89766

In the Linux kernel, the following vulnerability has been resolved: pidfd: hold execupdatelock around namespace ioctl The PIDFDGETNAMESPACE ioctls in pidfdioctl perform a filesystem credentials ptrace access check before handing out a namespace file descriptor. The accompanying comment states tha...

UBUNTU-CVE-2026-89766

In the Linux kernel, the following vulnerability has been resolved: pidfd: hold execupdatelock around namespace ioctl The PIDFDGETNAMESPACE ioctls in pidfdioctl perform a filesystem credentials ptrace access check before handing out a namespace file descriptor. The accompanying comment states tha...

AZL-100073 CVE-2026-81003 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: net/iucv: filter frames in afiucvhsrcv by ingress device afiucvhsrcv selects a socket from iucvsklist by matching four 8-byte name fields in the transport header alone. No check is made against the netdevice the frame arrived on...

CVE-2026-89060

A cross-namespace authorization flaw in multicluster-observability-addon allows a user with permission to modify a managed cluster’s ManagedClusterAddOn configuration to reference ClusterLogForwarder or OpenTelemetryCollector resources outside the permitted namespace. If those resources reference...

PT-2026-90482

In the Linux kernel, the following vulnerability has been resolved: pidfd: hold exec update lock around namespace ioctl The PIDFD GET NAMESPACE ioctls in pidfd ioctl perform a filesystem credentials ptrace access check before handing out a namespace file descriptor. The accompanying comment state...

SUSE CVE-2026-54523

Kyverno is a policy engine designed for cloud native platform engineering teams. From 1.18.0 until 1.18.2, the NamespacedMutatingPolicy CEL compiler exposes the generator library to matchConditions, allowing a namespace-scoped policy to invoke generator.applynamespace, resources with an arbitrary...

BIT-KYVERNO-2026-54523 Kyverno: NamespacedGeneratingPolicy generator.apply() namespace argument unvalidated -- background controller creates RoleBindings in any namespace including kube-system

Kyverno is a policy engine designed for cloud native platform engineering teams. From 1.18.0 until 1.18.2, the NamespacedMutatingPolicy CEL compiler exposes the generator library to matchConditions, allowing a namespace-scoped policy to invoke generator.applynamespace, resources with an arbitrary...

CVE-2026-78600 Incomplete Cleanup in Elastic Cloud on Kubernetes Leading to Unauthorized Cross-Namespace Credential Retention

Incomplete Cleanup CWE-459 in Elastic Cloud on Kubernetes ECK can lead to unauthorized access via Privilege Abuse CAPEC-122. Authentication credentials persist after a cross-namespace association has been denied by RBAC enforcement, allowing a low-privileged tenant to retain unauthorized read...

CVE-2026-53552

Goploy is an open-source automation deployment system. In versions 1.17.5 and prior, Project.AddFile, Project.EditFile, Project.RemoveFile, and Project.Edit in cmd/server/api/project/handler.go accept a project or project-file row id from the JSON body and act on it without checking that the...

CVE-2026-53552 Goploy: Cross-namespace IDOR and RCE via body-supplied row id in project and project_file handlers

Goploy is an open-source automation deployment system. In versions 1.17.5 and prior, Project.AddFile, Project.EditFile, Project.RemoveFile, and Project.Edit in cmd/server/api/project/handler.go accept a project or project-file row id from the JSON body and act on it without checking that the...

CVE-2026-73137 Multicloud-operators-subscription: multicloud-operators-subscription: cross-namespace secret exfiltration via helmrelease.repo.secretref.namespace

A flaw was found in the multicloud-operators-subscription component of Red Hat Advanced Cluster Management RHACM. A tenant with HelmRelease create permissions can exploit this vulnerability by manipulating the secretRef.Namespace field. This allows the GetSecret function in the HelmRelease...

BIT-GITLAB-2026-18433 Incorrect Authorization in GitLab

GitLab has remediated an issue in GitLab EE affecting all versions from 19.1 before 19.1.4 and 19.2 before 19.2.2 that under certain conditions could have allowed an authenticated user to read policy configuration belonging to a namespace they were not authorized to access, due to incorrect...

PT-2026-71758

The Elastic Cloud on Kubernetes ECK operator reads a list of secret references from an annotation on secrets it manages, and it accepts the namespace recorded in each reference without validating that the reference is authorized for the resource being reconciled. A user whose Kubernetes permissio...

CVE-2026-18433 Incorrect Authorization in GitLab

GitLab has remediated an issue in GitLab EE affecting all versions from 19.1 before 19.1.4 and 19.2 before 19.2.2 that under certain conditions could have allowed an authenticated user to read policy configuration belonging to a namespace they were not authorized to access, due to incorrect...

EUVD-2026-57435

GitLab has remediated an issue in GitLab EE affecting all versions from 19.1 before 19.1.4 and 19.2 before 19.2.2 that under certain conditions could have allowed an authenticated user to read policy configuration belonging to a namespace they were not authorized to access, due to incorrect...