CVE-2026-85511

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

MEDIUM

4.2

CVSS Score

Published: September 18, 2026 at 02:29 PM UTC

Updated: October 20, 2026 at 03:17 PM UTC

5 products affected across 1 vendorJBoss Enterprise Application PlatformSingle Sign onFuse

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Severity

MEDIUM4.2

Exploit prediction

EPSS 0.3%

SSVC

No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

JBoss Enterprise Application Platform · Red Hatrpm

93%

All versions

Vendor states this is fixed in 0:1.1.9-1.redhat_00001.1.el10eap (unaffected)

Vendor states this is fixed in 0:1.1.9-1.redhat_00001.1.el8eap (unaffected)

Vendor states this is fixed in 0:1.1.9-1.redhat_00001.1.el9eap (unaffected)

Vendor states this is fixed in 0:1.2.7-1.redhat_00002.1.el10eap (unaffected)

Vendor states this is fixed in 0:1.2.7-1.redhat_00002.1.el8eap (unaffected)

Vendor states this is fixed in 0:1.2.7-1.redhat_00002.1.el9eap (unaffected)

Vendor states this is fixed in 0:1.85.0-1.redhat_00001.1.el10eap (unaffected)

Vendor states this is fixed in 0:1.85.0-1.redhat_00001.1.el8eap (unaffected)

Vendor states this is fixed in 0:1.85.0-1.redhat_00001.1.el9eap (unaffected)

Vendor states this is fixed in 0:2.0.18-1.redhat_00001.1.el10eap (unaffected)

Vendor states this is fixed in 0:2.0.18-1.redhat_00001.1.el8eap (unaffected)

Vendor states this is fixed in 0:2.0.18-1.redhat_00001.1.el9eap (unaffected)

Vendor states this is fixed in 0:2.0.5-1.Final_redhat_00001.1.el10eap (unaffected)

Vendor states this is fixed in 0:2.0.5-1.Final_redhat_00001.1.el8eap (unaffected)

Vendor states this is fixed in 0:2.0.5-1.Final_redhat_00001.1.el9eap (unaffected)

Vendor states this is fixed in 0:2.1.0-1.redhat_00001.1.el10eap (unaffected)

Vendor states this is fixed in 0:2.1.0-1.redhat_00001.1.el8eap (unaffected)

Vendor states this is fixed in 0:2.1.0-1.redhat_00001.1.el9eap (unaffected)

Vendor states this is fixed in 0:2.18.9-1.redhat_00003.1.el10eap (unaffected)

Vendor states this is fixed in 0:2.18.9-1.redhat_00003.1.el8eap (unaffected)

Vendor states this is fixed in 0:2.18.9-1.redhat_00003.1.el9eap (unaffected)

Vendor states this is fixed in 0:2.2.0-1.Final_redhat_00001.1.el10eap (unaffected)

Vendor states this is fixed in 0:2.2.0-1.Final_redhat_00001.1.el8eap (unaffected)

Vendor states this is fixed in 0:2.2.0-1.Final_redhat_00001.1.el9eap (unaffected)

Vendor states this is fixed in 0:2.25.4-1.redhat_00003.1.el10eap (unaffected)

Vendor states this is fixed in 0:2.25.4-1.redhat_00003.1.el8eap (unaffected)

Vendor states this is fixed in 0:2.25.4-1.redhat_00003.1.el9eap (unaffected)

Vendor states this is fixed in 0:2.3.2-1.redhat_00001.1.el10eap (unaffected)

Vendor states this is fixed in 0:2.3.2-1.redhat_00001.1.el8eap (unaffected)

Vendor states this is fixed in 0:2.3.2-1.redhat_00001.1.el9eap (unaffected)

Vendor states this is fixed in 0:2.3.26-2.SP3_redhat_00001.1.el10eap (unaffected)

Vendor states this is fixed in 0:2.3.26-2.SP3_redhat_00001.1.el8eap (unaffected)

Vendor states this is fixed in 0:2.3.26-2.SP3_redhat_00001.1.el9eap (unaffected)

Vendor states this is fixed in 0:2.40.0-8.redhat_00024.1.el10eap (unaffected)

Vendor states this is fixed in 0:2.40.0-8.redhat_00024.1.el8eap (unaffected)

Vendor states this is fixed in 0:2.40.0-8.redhat_00024.1.el9eap (unaffected)

Vendor states this is fixed in 0:2.6.11-1.Final_redhat_00001.1.el10eap (unaffected)

Vendor states this is fixed in 0:2.6.11-1.Final_redhat_00001.1.el8eap (unaffected)

Vendor states this is fixed in 0:2.6.11-1.Final_redhat_00001.1.el9eap (unaffected)

Vendor states this is fixed in 0:3.0.1-1.Final_redhat_00001.1.el10eap (unaffected)

Vendor states this is fixed in 0:3.0.1-1.Final_redhat_00001.1.el8eap (unaffected)

Vendor states this is fixed in 0:3.0.1-1.Final_redhat_00001.1el9eap (unaffected)

Vendor states this is fixed in 0:3.0.22-1.Final_redhat_00001.1.el10eap (unaffected)

Vendor states this is fixed in 0:3.0.22-1.Final_redhat_00001.1.el8eap (unaffected)

Vendor states this is fixed in 0:3.0.22-1.Final_redhat_00001.1.el9eap (unaffected)

Vendor states this is fixed in 0:3.0.6-1.redhat_00001.1.el10eap (unaffected)

Vendor states this is fixed in 0:3.0.6-1.redhat_00001.1.el8eap (unaffected)

Vendor states this is fixed in 0:3.0.6-1.redhat_00001.1.el9eap (unaffected)

Vendor states this is fixed in 0:3.1.0-1.Final_redhat_00001.1.el10eap (unaffected)

Vendor states this is fixed in 0:3.1.0-1.Final_redhat_00001.1.el8eap (unaffected)

Vendor states this is fixed in 0:3.1.0-1.Final_redhat_00001.1.el9eap (unaffected)

Vendor states this is fixed in 0:3.2.2-1.redhat_00001.1.el10eap (unaffected)

Vendor states this is fixed in 0:3.2.2-1.redhat_00001.1.el8eap (unaffected)

Vendor states this is fixed in 0:3.2.2-1.redhat_00001.1.el9eap (unaffected)

Vendor states this is fixed in 0:3.6.3-1.Final_redhat_00001.1.el10eap (unaffected)

Vendor states this is fixed in 0:3.6.3-1.Final_redhat_00001.1.el8eap (unaffected)

Vendor states this is fixed in 0:3.6.3-1.Final_redhat_00001.1.el9eap (unaffected)

Vendor states this is fixed in 0:4.0.11-2.SP1_redhat_00001.1.el10eap (unaffected)

Vendor states this is fixed in 0:4.0.11-2.SP1_redhat_00001.1.el8eap (unaffected)

Vendor states this is fixed in 0:4.0.11-2.SP1_redhat_00001.1.el9eap (unaffected)

Vendor states this is fixed in 0:4.0.5-1.redhat_00001.1.el10eap (unaffected)

Vendor states this is fixed in 0:4.0.5-1.redhat_00001.1.el8eap (unaffected)

Vendor states this is fixed in 0:4.0.5-1.redhat_00001.1.el9eap (unaffected)

Vendor states this is fixed in 0:4.0.7-4.redhat_00001.1.el10eap (unaffected)

Vendor states this is fixed in 0:4.0.7-4.redhat_00001.1.el8eap (unaffected)

Vendor states this is fixed in 0:4.0.7-4.redhat_00001.1.el9eap (unaffected)

Vendor states this is fixed in 0:4.1.136-1.Final_redhat_00001.1.el10eap (unaffected)

Vendor states this is fixed in 0:4.1.136-1.Final_redhat_00001.1.el8eap (unaffected)

Vendor states this is fixed in 0:4.1.136-1.Final_redhat_00001.1.el9eap (unaffected)

Vendor states this is fixed in 0:4.1.5-5.redhat_00008.1.el10eap (unaffected)

Vendor states this is fixed in 0:4.1.5-5.redhat_00008.1.el8eap (unaffected)

Vendor states this is fixed in 0:4.1.5-5.redhat_00008.1.el9eap (unaffected)

Vendor states this is fixed in 0:4.1.7-1.SP1_redhat_00001.1.el10eap (unaffected)

Vendor states this is fixed in 0:4.1.7-1.SP1_redhat_00001.1.el8eap (unaffected)

Vendor states this is fixed in 0:4.1.7-1.SP1_redhat_00001.1.el9eap (unaffected)

Vendor states this is fixed in 0:5.0.31-1.SP2_redhat_00001.1.el10eap (unaffected)

Vendor states this is fixed in 0:5.0.31-1.SP2_redhat_00001.1.el8eap (unaffected)

Vendor states this is fixed in 0:5.0.31-1.SP2_redhat_00001.1.el9eap (unaffected)

Vendor states this is fixed in 0:5.1.0-1.Final_redhat_00001.1.el10eap (unaffected)

Vendor states this is fixed in 0:5.1.0-1.Final_redhat_00001.1.el8eap (unaffected)

Vendor states this is fixed in 0:5.1.0-1.Final_redhat_00001.1.el9eap (unaffected)

Vendor states this is fixed in 0:6.6.54-1.Final_redhat_00001.1.el10eap (unaffected)

Vendor states this is fixed in 0:6.6.54-1.Final_redhat_00001.1.el8eap (unaffected)

Vendor states this is fixed in 0:6.6.54-1.Final_redhat_00001.1.el9eap (unaffected)

Vendor states this is fixed in 0:7.4.0-1.Final_redhat_00001.1.el10eap (unaffected)

Vendor states this is fixed in 0:7.4.0-1.Final_redhat_00001.1.el8eap (unaffected)

Vendor states this is fixed in 0:7.4.0-1.Final_redhat_00001.1.el9eap (unaffected)

Vendor states this is fixed in 0:8.1.1-12.GA_redhat_00048.1.el10eap (unaffected)

Vendor states this is fixed in 0:8.1.1-12.GA_redhat_00048.1.el8eap (unaffected)

Vendor states this is fixed in 0:8.1.1-12.GA_redhat_00048.1.el9eap (unaffected)

Vendor states this is fixed in 0:8.1.8-9.GA_redhat_00006.1.el10eap (unaffected)

Vendor states this is fixed in 0:8.1.8-9.GA_redhat_00006.1.el8eap (unaffected)

Vendor states this is fixed in 0:8.1.8-9.GA_redhat_00006.1.el9eap (unaffected)

Vendor states this is fixed in 0:801.8.0-1.GA_redhat_00001.1.el10eap (unaffected)

Vendor states this is fixed in 0:801.8.0-1.GA_redhat_00001.1.el8eap (unaffected)

Vendor states this is fixed in 0:801.8.0-1.GA_redhat_00001.1.el9eap (unaffected)

Vendor states this is fixed in 0:9.37.4-1.redhat_00001.1.el10eap (unaffected)

Vendor states this is fixed in 0:9.37.4-1.redhat_00001.1.el8eap (unaffected)

Vendor states this is fixed in 0:9.37.4-1.redhat_00001.1.el9eap (unaffected)

Vendor states this is fixed in 7 (unaffected)

Data Grid · Red Hatrpm

90%

All versions8

Fuse · Red Hatrpm

90%

All versions7

JBoss Enterprise Application Platform Expansion Pack · Red Hatrpm

90%

All versions

Single Sign on · Red Hatrpm

90%

All versions7

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (6)

VDB Entryx_refsource_REDHAT

Source: cverecord

https://access.redhat.com/security/cve/CVE-2026-85511

Issue Trackingx_refsource_REDHAT

Source: cverecord

https://bugzilla.redhat.com/show_bug.cgi?id=2483140

Vendor Advisoryx_refsource_REDHAT

Source: cverecord

https://access.redhat.com/errata/RHSA-2026:70228

Vendor Advisoryx_refsource_REDHAT

Source: cverecord

https://access.redhat.com/errata/RHSA-2026:70229

Vendor Advisoryx_refsource_REDHAT

Source: cverecord

https://access.redhat.com/errata/RHSA-2026:70230

Vendor Advisoryx_refsource_REDHAT

Source: cverecord

https://access.redhat.com/errata/RHSA-2026:70277

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.2MEDIUMredhat

Attack Vector: NETWORK
Complexity: HIGH
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: LOW
Integrity: LOW
Availability: NONE

Vector?

Quick Info

StatusAWAITING ANALYSIS

CWE

CWE-290

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