What is RHSA-2026:9453?

RHSA-2026:9453 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: Red Hat OpenShift Service Mesh 3.2.4

Which CVE IDs does RHSA-2026:9453 cover?

RHSA-2026:9453 covers the following CVE IDs: CVE-2026-33747, CVE-2026-33748, CVE-2026-34986, 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-2026:9453?

RHSA-2026:9453 has a CVSS v3 base score of 9.1, published by Red Hat Product Security.

RHSA-2026:9453HighCVSS 9.1

Red Hat Security Advisory: Red Hat OpenShift Service Mesh 3.2.4

Vendor

Red Hat Product Security

Published

April 21, 2026

Last Modified

June 4, 2026

🔗 CVE IDs covered (5)

CVE-2026-33747 · pendingCVE-2026-33748 →CVE-2026-34986 →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 CVE-2026-33747 — BuildKit: github.com/moby/buildkit: BuildKit: Arbitrary file write and code execution via untrusted frontend CVE-2026-33748 — github.com/moby/buildkit: BuildKit: Unauthorized file access via Git URL fragment subdir components CVE-2026-34986 — github.com/go-jose/go-jose/v3: github.com/go-jose/go-jose/v4: Go JOSE: Denial of Service via crafted JSON Web Encryption (JWE) object

🔗 References (14)

selfhttps://access.redhat.com/errata/RHSA-2026:9453
externalhttps://access.redhat.com/security/cve/CVE-2026-25679
externalhttps://access.redhat.com/security/cve/CVE-2026-33186
externalhttps://access.redhat.com/security/cve/CVE-2026-33747
externalhttps://access.redhat.com/security/cve/CVE-2026-33748
externalhttps://access.redhat.com/security/cve/CVE-2026-34986
externalhttps://access.redhat.com/security/cve/cve-2026-25679
externalhttps://access.redhat.com/security/cve/cve-2026-33186
externalhttps://access.redhat.com/security/cve/cve-2026-33747
externalhttps://access.redhat.com/security/cve/cve-2026-33748
externalhttps://access.redhat.com/security/cve/cve-2026-34986
externalhttps://access.redhat.com/security/updates/classification
externalhttps://access.redhat.com/security/updates/classification/
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_9453.json