CVE-2026-71889: Red Hat Certificate validation bypass via missing name constraint checks
This Red Hat advisory covers CVE-2026-71889. Related products: Red Hat build of Quarkus 3.27.6.redhat, Red Hat build of Quarkus 3.33.4.redhat, OpenShift Developer Tools and Services.
Key facts
- Vendor rating
- High, CVSS 7.5
- CISA KEV
- Not listed (catalogue checked )
- Versions named
- < 1.86; < 2.73.13; < 1.0.13 and 5 more below
- Fixed in
- ocp-tools-4/jenkins-rhel8:1792044386, ocp-tools-4/jenkins-rhel9:1792040096, org.bouncycastle/bcpkix-jdk18on:1.86.0.redhat-00001 and 10 more below
- Source published
- Listed by VulniPulse
Compiled by VulniPulse from the linked sources. How records are collected and checked.
Related products & platforms
Description
Certificate validation bypass via missing name constraint checks. Red Hat rates this important (CVSS 7.5).
Weakness: CWE-295. Red Hat lists fixing advisory RHSA-2026:88152 with package ocp-tools-4/jenkins-rhel8:1792044386, ocp-tools-4/jenkins-rhel9:1792040096, org.bouncycastle/bcpkix-jdk18on:1.86.0.redhat-00001, ocp-tools-4/jenkins-rhel9:1792040287.
Affected products named by the advisory: Red Hat build of Quarkus 3.27.6.redhat; Red Hat build of Quarkus 3.33.4.redhat; OpenShift Developer Tools and Services; Red Hat build of Apache Camel 4 for Quarkus 3; and 13 more.
Affected products named by the advisory: Red Hat build of Apache Camel for Spring Boot 4; Red Hat Build of Keycloak; Red Hat Ceph Storage 9; Red Hat Enterprise Linux 8; and 9 more.
Text from the source record.
- < 1.86
- < 2.73.13
- < 1.0.13
- < 1.0.X
- < 2.0.13
- < 2.0.X
- < 2.1.13
- < 2.1.X
Official advisory · high-confidence parse· fetched ·verify at source
How to fix CVE-2026-71889
Upgrade to a fixed release named by Red Hat:
- ocp-tools-4/jenkins-rhel8:1792044386
- ocp-tools-4/jenkins-rhel9:1792040096
- org.bouncycastle/bcpkix-jdk18on:1.86.0.redhat-00001
- ocp-tools-4/jenkins-rhel9:1792040287
- ocp-tools-4/jenkins-rhel9:1792040131
- ocp-tools-4/jenkins-rhel8:1792044327
- ocp-tools-4/jenkins-rhel8:1792044326
- ocp-tools-4/jenkins-rhel8:1792044382
- ocp-tools-4/jenkins-rhel9:1792040081
- ocp-tools-4/jenkins-rhel9:1792040428
- ocp-tools-4/jenkins-rhel9:1792040733
- ocp-tools-4/jenkins-rhel9:1792041514
- RHSA-2026:88152
Vendor guidance
- Do not use PKIXCertPathReviewer for trust or path validation decisions. Instead, validate certificate paths using the standard Java Cryptography Architecture via CertPathValidator.getInstance("PKIX", "BC").
End-of-life dates for Red Hat Enterprise Linux
CVE-2026-71889 in other vendors' advisories
- Atlassian: CVE-2026-71889, high severity, fixed in Bamboo Data Center and Server: 12.1.12 (LTS) recommended Data Center Only, Bamboo Data Center and Server: 10.2.24 (LTS) Data Center Only, Fisheye/Crucible: 4.9.15 recommended
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