RESTEasy's default exception mapper returns an exception's localized message in the HTTP 500 response body when no application exception mapper handles an unhandled exception other than a WebApplicationException. A remote unauthenticated client who can trigger such an exception may receive information included in the message. Fabio Burzigotti reports reproducing the behavior with RESTEasy 7.0.2.Final. The complete affected and fixed version ranges remain to be confirmed.
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Tue, 03 Nov 2026 04:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | RESTEasy's default exception mapper returns an exception's localized message in the HTTP 500 response body when no application exception mapper handles an unhandled exception other than a WebApplicationException. A remote unauthenticated client who can trigger such an exception may receive information included in the message. Fabio Burzigotti reports reproducing the behavior with RESTEasy 7.0.2.Final. The complete affected and fixed version ranges remain to be confirmed. | |
| Title | Org.jboss.resteasy/resteasy-core: resteasy: information disclosure through default exception mapper responses | |
| First Time appeared |
Redhat
Redhat apicurio Registry Redhat build Keycloak Redhat camel Quarkus Redhat debezium Redhat jboss Enterprise Application Platform Redhat jboss Fuse Redhat jbosseapxp Redhat quarkus Redhat satellite |
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| Weaknesses | CWE-209 | |
| CPEs | cpe:/a:redhat:apicurio_registry:3 cpe:/a:redhat:build_keycloak: cpe:/a:redhat:camel_quarkus:3 cpe:/a:redhat:debezium:3 cpe:/a:redhat:jboss_enterprise_application_platform:8 cpe:/a:redhat:jboss_fuse:7 cpe:/a:redhat:jbosseapxp cpe:/a:redhat:quarkus:3 cpe:/a:redhat:satellite:6 |
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| Vendors & Products |
Redhat
Redhat apicurio Registry Redhat build Keycloak Redhat camel Quarkus Redhat debezium Redhat jboss Enterprise Application Platform Redhat jboss Fuse Redhat jbosseapxp Redhat quarkus Redhat satellite |
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| References |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2026-11-03T04:16:03.089Z
Reserved: 2026-11-03T04:01:17.695Z
Link: CVE-2026-120971
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