CVE-2026-87858 Temporal Server completion callback source header can direct attacker-chosen requests to the internal frontend with administrator authorization

Temporal Server decided whether a Workflow completion callback was internal by reading a caller-supplied HTTP header. An authenticated caller holding only write permission in a single namespace could attach a completion callback whose URL host matched the configured callback address allowlist,...

BIT-ENVOY-GATEWAY-2026-53718 Envoy Gateway custom backendRef cross-namespace ReferenceGrant bypass

Envoy Gateway is an open source project for managing Envoy Proxy as a standalone or Kubernetes-based application gateway. Prior to 1.7.4 and 1.8.1, an HTTPRoute can use an extension-managed custom backendRef to reference a backend resource in another namespace without a matching Gateway API...

VulnCheck KEV: CVE-2026-79756

Nuclio is a "Serverless" framework for Real-Time Events and Data Processing. Prior to version 1.17.4, the fix for unauthenticated OS command injection in the nuclio dashboard on the local/Docker platform is incomplete. The fix added validateFunctionName for function names and common.Quote for the...

Authorization Bypass Through User-Controlled Key

Overview Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via the ListArchivedWorkflows handler in server/workflowarchive/archivedworkflowserver.go. An attacker can read archived workflows from other namespaces by sending a metadata.namespace!=...

EUVD-2026-83619

Argo Workflows versions 4.1.0 through 4.1.3 contain an authorization bypass vulnerability in ListArchivedWorkflows that fails to apply cluster-scoped access review when the metadata.namespace field selector uses the NotEquals operator. Attackers with namespace-scoped list permissions can use a...

CVE-2026-93991

Argo Workflows versions 4.1.0 through 4.1.3 contain an authorization bypass vulnerability in ListArchivedWorkflows that fails to apply cluster-scoped access review when the metadata.namespace field selector uses the NotEquals operator. Attackers with namespace-scoped list permissions can use a...

CVE-2026-93991

Argo Workflows versions 4.1.0 through 4.1.3 contain an authorization bypass in the ListArchivedWorkflows API. The root cause is a failure to apply cluster-scoped access review when the metadata.namespace field selector uses the NotEquals (negated) operator . An attacker with namespace-scoped list...

CVE-2026-93991 Argo Workflows 4.1.0 through 4.1.3 Cross-Namespace Disclosure via Negated Selector

Argo Workflows versions 4.1.0 through 4.1.3 contain an authorization bypass vulnerability in ListArchivedWorkflows that fails to apply cluster-scoped access review when the metadata.namespace field selector uses the NotEquals operator. Attackers with namespace-scoped list permissions can use a...

CVE-2026-93991 Argo Workflows 4.1.0 through 4.1.3 Cross-Namespace Disclosure via Negated Selector

Argo Workflows versions 4.1.0 through 4.1.3 contain an authorization bypass vulnerability in ListArchivedWorkflows that fails to apply cluster-scoped access review when the metadata.namespace field selector uses the NotEquals operator. Attackers with namespace-scoped list permissions can use a...

CVE-2026-93991 Argo Workflows 4.1.0 through 4.1.3 Cross-Namespace Disclosure via Negated Selector

Argo Workflows versions 4.1.0 through 4.1.3 contain an authorization bypass vulnerability in ListArchivedWorkflows that fails to apply cluster-scoped access review when the metadata.namespace field selector uses the NotEquals operator. Attackers with namespace-scoped list permissions can use a...

PT-2026-95875

Name of the Vulnerable Software and Affected Versions Argo Workflows versions 4.1.0 through 4.1.3 Description An authorization bypass exists in the ListArchivedWorkflows function. The issue occurs when the metadata.namespace field selector utilizes the NotEquals operator, causing a failure to app...

CVE-2026-61794 Capsule: Malformed ForbiddenAnnotations.Regex can bypass Tenant validation and trigger namespace admission panic

Capsule is a multi-tenancy and policy-based framework for Kubernetes. From 0.13.0 until 0.13.7, the Tenant update validation in internal/webhook/tenant/validation/forbiddenannotationsregex.go compiles ForbiddenLabels.Regex for both the labels and annotations checks instead of validating...

CVE-2026-61794 Capsule: Malformed ForbiddenAnnotations.Regex can bypass Tenant validation and trigger namespace admission panic

Capsule is a multi-tenancy and policy-based framework for Kubernetes. From 0.13.0 until 0.13.7, the Tenant update validation in internal/webhook/tenant/validation/forbiddenannotationsregex.go compiles ForbiddenLabels.Regex for both the labels and annotations checks instead of validating...

CVE-2026-61794 Capsule: Malformed ForbiddenAnnotations.Regex can bypass Tenant validation and trigger namespace admission panic

Capsule is a multi-tenancy and policy-based framework for Kubernetes. From 0.13.0 until 0.13.7, the Tenant update validation in internal/webhook/tenant/validation/forbiddenannotationsregex.go compiles ForbiddenLabels.Regex for both the labels and annotations checks instead of validating...

SUSE CVE-2026-90072

In the Linux kernel, the following vulnerability has been resolved: net/sched: sfq: clamp quantum to avoid signed overflow soft lockup sfqinit sets q-quantum = pschedmtuqdiscdevsch unsigned. A device with a huge MTU e.g. dummy with maxmtu == 0 accepting MTU 2147483634 makes pschedmtu return...

Linux Distros Unpatched Vulnerability : CVE-2026-93146

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - time/namespace: Validate nanosecond field in proctimenssetoffset The function validates tvsec to be within -KTIMESECMAX, KTIMESECMAX but never validates that...

Linux Distros Unpatched Vulnerability : CVE-2026-90228

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nvmet: fix NULL pointer dereference in nvmetexecuteidentifynszns When a host issues an Identify command with CNS 05h I/O Command Set specific Identify Namespace...

CVE-2026-61794: Improper Input Validation

Capsule is a multi-tenancy and policy-based framework for Kubernetes. From 0.13.0 until 0.13.7, the Tenant update validation in internal/webhook/tenant/validation/forbiddenannotationsregex.go compiles ForbiddenLabels.Regex for both the labels and annotations checks instead of validating...

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...

EUVD-2026-82405

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...