CVE-2026-85511

A parameter injection flaw was identified in Red Hat EAP's Elytron security subsystem. Specifically, an EAP application whose security domain is backed by an Elytron token-realm with oauth2-introspection allows parameter substitution due to missing URL encoding . The vulnerability is rated MEDIUM...

CVE-2026-85511 Wildfly-elytron-realm-token: parameter injection in eap's elytron oauth2

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...

Server Side Request Forgery

org.wildfly.security:wildfly-elytron-realm-token is vulnerable to Server Side Request Forgery. The vulnerability is due to JwtValidator.resolvePublicKey not performing any whitelisting or filtering on the destination URL address during the process of checking jku and sending an HTTP request...