What is RHSA-2026:21696?

RHSA-2026:21696 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: OpenShift Container Platform 4.12.91 bug fix and security update

Which CVE IDs does RHSA-2026:21696 cover?

RHSA-2026:21696 covers the following CVE IDs: CVE-2026-25679, CVE-2026-33186. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:21696?

RHSA-2026:21696 has a CVSS v3 base score of 9.1, published by Red Hat Product Security.

RHSA-2026:21696HighCVSS 9.1

Red Hat Security Advisory: OpenShift Container Platform 4.12.91 bug fix and security update

Vendor

Red Hat Product Security

Published

June 4, 2026

Last Modified

July 16, 2026

🔗 CVE IDs covered (2)

CVE-2026-25679 →CVE-2026-33186 →

📋 Description

CVE-2026-25679 — net/url: Incorrect parsing of IPv6 host literals in net/url CVE-2026-33186 — google.golang.org/grpc/grpc-go: google.golang.org/grpc/authz: gRPC-Go: Authorization bypass due to improper HTTP/2 path validation

🔗 References (5)

selfhttps://access.redhat.com/errata/RHSA-2026:21696
externalhttps://access.redhat.com/security/cve/CVE-2026-25679
externalhttps://access.redhat.com/security/cve/CVE-2026-33186
externalhttps://access.redhat.com/security/updates/classification/
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_21696.json