Medium [CVE-2026-85511] parameter injection in EAP's elytron oauth2
This medium-severity Red Hat Linux advisory covers CVE-2026-85511; related products: Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10, Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8, Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9.
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Summary
parameter injection in EAP's elytron oauth2. Red Hat rates this low (CVSS 4.2).
Weakness: CWE-290. Red Hat lists fixing advisory RHSA-2026:70229 with package eap8-jackson-annotations-0:2.18.9-1.redhat_00003.1.el10eap, eap8-jbossws-cxf-0:7.4.0-1.Final_redhat_00001.1.el8eap, eap8-wildfly-0:8.1.8-9.GA_redhat_00006.1.el9eap, eap8-parsson-0:1.1.9-1.redhat_00001.1.el10eap.
Affected products named by the advisory: Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10; Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8; Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9; Red Hat Data Grid 8; and 2 more.
Affected products named by the advisory: Red Hat Fuse 7; Red Hat Single Sign-On 7.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 13 days ago·verify at source
- eap8-jackson-annotations-0:2.18.9-1.redhat_00003.1.el10eap
- eap8-jbossws-cxf-0:7.4.0-1.Final_redhat_00001.1.el8eap
- eap8-wildfly-0:8.1.8-9.GA_redhat_00006.1.el9eap
- eap8-parsson-0:1.1.9-1.redhat_00001.1.el10eap
- eap8-parsson-0:1.1.9-1.redhat_00001.1.el9eap
- eap8-neethi-0:3.2.2-1.redhat_00001.1.el10eap
- eap8-jboss-remoting-0:5.0.31-1.SP2_redhat_00001.1.el8eap
- eap8-jackson-core-0:2.18.9-1.redhat_00003.1.el10eap
- eap8-jackson-databind-0:2.18.9-1.redhat_00003.1.el9eap
- eap8-jackson-modules-java8-0:2.18.9-1.redhat_00003.1.el10eap
- eap8-jbossws-cxf-0:7.4.0-1.Final_redhat_00001.1.el10eap
- eap8-log4j-0:2.25.4-1.redhat_00003.1.el9eap
- eap8-xml-security-0:3.0.6-1.redhat_00001.1.el8eap
- eap8-ws-commons-XmlSchema-0:2.3.2-1.redhat_00001.1.el10eap
- eap8-jbossws-api-0:3.1.0-1.Final_redhat_00001.1.el8eap
- eap8-httpcomponents-asyncclient-0:4.1.5-5.redhat_00008.1.el9eap
- eap8-artemis-wildfly-integration-0:2.0.5-1.Final_redhat_00001.1.el10eap
- eap8-wildfly-0:8.1.8-9.GA_redhat_00006.1.el10eap
- eap8-apache-cxf-0:4.1.7-1.SP1_redhat_00001.1.el8eap
- eap8-jackson-dataformats-text-0:2.18.9-1.redhat_00003.1.el9eap
- RHSA-2026:70229
Official advisory · high-confidence parse· fetched 13 days ago·verify at source
Mitigation
Upgrade to a fixed release: eap8-jackson-annotations-0:2.18.9-1.redhat_00003.1.el10eap, eap8-jbossws-cxf-0:7.4.0-1.Final_redhat_00001.1.el8eap, eap8-wildfly-0:8.1.8-9.GA_redhat_00006.1.el9eap, eap8-parsson-0:1.1.9-1.redhat_00001.1.el10eap, eap8-parsson-0:1.1.9-1.redhat_00001.1.el9eap, eap8-neethi-0:3.2.2-1.redhat_00001.1.el10eap. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 13 days ago·verify at source
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