CVE-2026-9824

Mattermost v11.7.x ≤ 11.7.2, v11.6.x ≤ 11.6.4, and v10.11.x ≤ 10.11.19 are affected by CVE-2026-9824 due to a missing check of the manage_shared_channels permission in the /share-channel autocomplete handler. This allows an authenticated user without that permission to enumerate remote cluster co...

CVE-2026-9824 Remote cluster metadata enumeration via /share-channel autocomplete

Mattermost versions 11.7.x = 11.7.2, 11.6.x = 11.6.4, 10.11.x = 10.11.19 fail to check the managesharedchannels permission in the /share-channel autocomplete handler, which allows an authenticated user without that permission to enumerate configured remote cluster connection metadata via slash...

CVE-2026-10103

Mattermost versions 11.7.x = 11.7.2, 11.6.x = 11.6.4, 10.11.x = 10.11.19 fail to verify post ownership in the shared channel inbound sync handler, which allows an authenticated remote cluster to modify or delete posts authored by local users or other remotes via crafted sync messages referencing...

CVE-2026-10103 Authenticated remote cluster can modify or delete posts it does not own in Mattermost Connected Workspaces shared channels

Mattermost versions 11.7.x = 11.7.2, 11.6.x = 11.6.4, 10.11.x = 10.11.19 fail to verify post ownership in the shared channel inbound sync handler, which allows an authenticated remote cluster to modify or delete posts authored by local users or other remotes via crafted sync messages referencing...

CVE-2026-10103

Mattermost versions affected: 11.7.x (up to 11.7.2), 11.6.x (up to 11.6.4), and 10.11.x (up to 10.11.19) have a flaw in the shared channel inbound sync handler that fails to verify post ownership. This allows an authenticated remote cluster to modify or delete posts authored by local users or oth...

CLEANSTART-2026-KX80654 Security fixes for CVE-2025-61726, CVE-2025-61728, CVE-2025-61730, CVE-2025-61731, CVE-2025-61732, CVE-2025-68119, CVE-2025-68121, CVE-2026-25518, CVE-2026-25679, CVE-2026-25680, CVE-2026-25681, CVE-2026-26958, CVE-2026-27136, CVE-2026-27139, CVE-2026-27142, CVE-2026-32280, CVE-2026-32281, CVE-2026-32282, CVE-2026-32283, CVE-2026-32288, CVE-2026-32289, CVE-2026-33810, CVE-2026-35469, CVE-2026-39821, CVE-2026-42502, CVE-2026-42506, ghsa-f6x5-jh6r-wrfv, ghsa-j5w8-q4qc-rx2x, ghsa-pc3f-x583-g7j2 applied in versions: 1.18.0-r0, 1.18.0-r1, 1.18.0-r2, 1.18.0-r3, 1.18.0-r4, 1.18.0-r5

Multiple security vulnerabilities affect the percona-xtradb-cluster-operator-fips package. These issues are resolved in later releases. See references for individual vulnerability details...

CLEANSTART-2026-OH87240 Security fixes for CVE-2026-27140, CVE-2026-32280, CVE-2026-32281, CVE-2026-32282, CVE-2026-32283, CVE-2026-32288, CVE-2026-32289, CVE-2026-33810, CVE-2026-33811, CVE-2026-33814, CVE-2026-35469, CVE-2026-39817, CVE-2026-39819, CVE-2026-39820, CVE-2026-39823, CVE-2026-39825, CVE-2026-39826, CVE-2026-39836, CVE-2026-42499, CVE-2026-42501, ghsa-pc3f-x583-g7j2 applied in versions: 2.19.2-r0, 2.19.2-r1, 2.19.2-r2, 2.19.2-r3

Multiple security vulnerabilities affect the rabbitmq-cluster-operator package. These issues are resolved in later releases. See references for individual vulnerability details...

PT-2026-57887

Name of the Vulnerable Software and Affected Versions Argo CD Helm Chart versions prior to 10.0.0 Description The software fails to install network policies by default, which allows any pod within the cluster to access the repo-server and other Argo APIs. This unrestricted network access can be...

mcp-server-kubernetes argument injection can expose Kubernetes cluster credentials

MCP Server Kubernetes before 3.9.0 contains an argument injection vulnerability in structured tools kubectlget, kubectldescribe, kubectldelete that allows attackers to bypass the assertNoDangerousFlags security check by supplying resourceType and name parameters with leading dashes. Attackers can...

CVE-2026-61459

Affected software: MCP Server Kubernetes before 3.9.0. Vulnerability: Argument injection in structured tools (kubectl_get, kubectl_describe, kubectl_delete) that bypasses the assertNoDangerousFlags check by using leading dashes for resourceType/name. This allows injection of the --server flag to ...

[SECURITY] Fedora 44 Update: k9s-0.51.0-2.fc44

Kubernetes CLI To Manage Your Clusters In Style!...

PT-2026-57272

Name of the Vulnerable Software and Affected Versions MCP Server Kubernetes versions prior to 3.9.0 Description An argument injection issue exists in the structured tools kubectl get, kubectl describe, and kubectl delete. Improper input validation and argument parsing allow the resourceType and...

GHSA-FF52-PH69-CF7X vulnerabilities

Vulnerabilities for packages: vexctl, crossplane-provider-aws-codestarnotifications, kubevirt-cdi-apiserver, telegraf, crossplane-provider-aws-mwaa, percona-server-mongodb-operator-fips, request-1279-14, helm-operator-fips, openbao-k8s-fips, prometheus-snmp-exporter,...

GHSA-FF52-PH69-CF7X vulnerabilities

Vulnerabilities for packages: harbor, envoy-ratelimit, sftpgo-plugin-kms, cluster-proportional-autoscaler, gostatsd, k8s-device-plugin, rancher-webhook, kuberlr, kuberay-operator, rancher-agent, kubernetes-dashboard, terraform, nodetaint, filebrowser, docker-machine-driver-harvester, kubevela,...

Kubelet: CRI-O: kube-apiserver: Kubelet, CRI-O, kube-apiserver: Denial of Service via SPDY streaming code

A flaw was found in the SPDY streaming code used by Kubelet, CRI-O, and kube-apiserver. An attacker with specific cluster roles, such as those allowing access to pod port forwarding, execution, or attachment, or node proxying, could exploit this vulnerability. This could lead to a Denial of Servi...

CLEANSTART-2026-LG16061 Security fixes for CVE-2026-27140, CVE-2026-32280, CVE-2026-32281, CVE-2026-32282, CVE-2026-32283, CVE-2026-32288, CVE-2026-32289, CVE-2026-33810, CVE-2026-33811, CVE-2026-33814, CVE-2026-35469, CVE-2026-39817, CVE-2026-39819, CVE-2026-39820, CVE-2026-39823, CVE-2026-39825, CVE-2026-39826, CVE-2026-39836, CVE-2026-42499, CVE-2026-42501, ghsa-pc3f-x583-g7j2 applied in versions: 2.19.2-r0, 2.19.2-r1, 2.19.2-r2, 2.19.2-r3

Multiple security vulnerabilities affect the rabbitmq-cluster-operator package. These issues are resolved in later releases. See references for individual vulnerability details...

Important: Red Hat Security Advisory: tomcat security, bug fix, and enhancement update

An update for tomcat is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

Important: Red Hat Security Advisory: multicluster engine for Kubernetes v2.9.5 security update

The multicluster engine for Kubernetes 2.9 General Availability release images, which add new features and enhancements, bug fixes, and updated container images. The multicluster engine for Kubernetes v2.9 images The multicluster engine for Kubernetes provides the foundational components that are...

Important: Red Hat Security Advisory: Red Hat Advanced Cluster Management for Kubernetes v2.14.3 security update

Red Hat Advanced Cluster Management for Kubernetes 2.14 General Availability release images, which add new features and enhancements, bug fixes, and updated container images. Red Hat Advanced Cluster Management for Kubernetes 2.14 images Red Hat Advanced Cluster Management for Kubernetes provides...

Important: Red Hat Security Advisory: Submariner v0.20 security fixes and container updates

Submariner v0.20 General Availability release images, which provide enhancements, security fixes, and updated container images. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed...