CVE-2026-85511

MEDIUM 4.2

Wildfly-elytron-realm-token: parameter injection in eap's elytron oauth2

CVSS Score

4.2

EPSS Score

0.3%

EPSS Percentile

19th

A flaw was found in EAP's Elytron. An EAP application whose security domain is backed by an Elytron token-realm with oauth2-introspection would allow parameter substitution due to missing URL encoding.

CWE	CWE-290
Vendor	red hat
Product	red hat jboss enterprise application platform 8.1.8.ga
Published	Sep 18, 2026
Last Updated	Oct 20, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1.8.GA

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9

All versions affected

Red Hat / Red Hat Data Grid 8

All versions affected

Red Hat / Red Hat Fuse 7

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform 7

All versions affected

Red Hat / Red Hat JBoss Enterprise Application Platform Expansion Pack

All versions affected

Red Hat / Red Hat Single Sign-On 7

All versions affected

References

NVD ↗ CVE.org ↗ EPSS Data ↗

access.redhat.com: https://access.redhat.com/errata/RHSA-2026:70228 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:70229 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:70230 access.redhat.com: https://access.redhat.com/errata/RHSA-2026:70277 access.redhat.com: https://access.redhat.com/security/cve/CVE-2026-85511 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2483140