What is RHSA-2026:11721?

RHSA-2026:11721 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: Red Hat build of Quarkus 3.27.3.SP1 security update

Which CVE IDs does RHSA-2026:11721 cover?

RHSA-2026:11721 covers the following CVE IDs: CVE-2026-5588, CVE-2026-35554, CVE-2026-39852, CVE-2025-14813, CVE-2026-0636. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2026:11721?

RHSA-2026:11721 has a CVSS v3 base score of 8.2, published by Red Hat Product Security.

RHSA-2026:11721HighCVSS 8.2

Red Hat Security Advisory: Red Hat build of Quarkus 3.27.3.SP1 security update

Vendor

Red Hat Product Security

Published

May 5, 2026

Last Modified

May 26, 2026

🔗 CVE IDs covered (5)

CVE-2026-5588 →CVE-2026-35554 →CVE-2026-39852 →CVE-2025-14813 →CVE-2026-0636 →

📋 Description

CVE-2025-14813 — bouncycastle: BC-JAVA: GOSTCTR implementation unable to process more than 255 blocks correctly CVE-2026-0636 — bouncycastle: BC-JAVA: LDAP injection vulnerability in LDAPStoreHelper.java CVE-2026-5588 — bouncycastle: BC-JAVA: PKIX draft CompositeVerifier accepts empty signature sequence as valid CVE-2026-35554 — Apache Kafka Clients: Apache Kafka Clients: Information disclosure and data corruption due to race condition in producer buffer management CVE-2026-39852 — io.quarkus:quarkus-vertx-http: io.quarkus:quarkus-vertx-http: Authorization bypass via semicolons in HTTP requests

🔗 References (6)

selfhttps://access.redhat.com/errata/RHSA-2026:11721
externalhttps://access.redhat.com/security/updates/classification/#important
externalhttps://access.redhat.com/products/quarkus/
externalhttps://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=redhat.quarkus&downloadType=distributions&version=3.27.3.SP1
externalhttps://docs.redhat.com/en/documentation/red_hat_build_of_quarkus/3.27
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_11721.json