CVE-2026-35469

high Red Hat
CVSS v3 Base Score
6.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.0%
Exploitation probability in 30 days
Top 91% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Confidentiality
None
Integrity
None
Availability
High
Published: April 13, 2026 (87 days ago)
Last Modified: April 13, 2026
Vendor: Red Hat
Fix Available: ✓ Yes
Source: REDHAT

Description

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 Service (DoS) by causing the affected components to become unresponsive.

CWE

CWE-770

Affected Products

cert-manager Operator for Red Hat OpenShiftDynamic Accelerator Slicer Operator for Red Hat OpenShiftExternal Secrets Operator for Red Hat OpenShiftLogical Volume Manager StorageMulticluster Engine for KubernetesRed Hat Advanced Cluster Management for Kubernetes 2Red Hat Advanced Cluster Security 4Red Hat Edge Manager 1Red Hat OpenShift Container Platform 4Red Hat Openshift Data Foundation 4

Fix Status

✅ Fix Available

References