Description
A flaw was found in Quarkus HTTP security. An unauthenticated attacker can exploit a discrepancy in how paths are normalized between the security matcher and HTTP request dispatchers. This allows the attacker to craft a URL that the security matcher considers public, but which is then routed to a protected endpoint, leading to an authorization bypass and potential unauthorized access to sensitive information.
Published: 2026-09-18
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

Vendor Workaround

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

Tracking

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Advisories

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History

Fri, 18 Sep 2026 21:30:00 +0000

Type Values Removed Values Added
First Time appeared Red Hat
Red Hat red Hat Openshift Ai (rhoai)
Redhat build Of Apache Camel For Quarkus
Redhat build Of Apicurio Registry
Redhat build Of Debezium 3
Redhat build Of Keycloak
Redhat build Of Quarkus
Redhat openshift Dev Spaces
Redhat openshift Serverless
Redhat quay 3
Vendors & Products Red Hat
Red Hat red Hat Openshift Ai (rhoai)
Redhat build Of Apache Camel For Quarkus
Redhat build Of Apicurio Registry
Redhat build Of Debezium 3
Redhat build Of Keycloak
Redhat build Of Quarkus
Redhat openshift Dev Spaces
Redhat openshift Serverless
Redhat quay 3

Fri, 18 Sep 2026 09:45:00 +0000

Type Values Removed Values Added
Title quarkus-vertx-http: Authorization Bypass via Path Normalization Discrepancy in Quarkus HTTP Security Quarkus-vertx-http: authorization bypass via path normalization discrepancy in quarkus http security
First Time appeared Redhat
Redhat apicurio Registry
Redhat build Keycloak
Redhat camel Quarkus
Redhat debezium
Redhat exploit Intelligence
Redhat jboss Fuse
Redhat openshift Ai
Redhat openshift Devspaces
Redhat quarkus
Redhat serverless
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:exploit_intelligence:0
cpe:/a:redhat:jboss_fuse:7
cpe:/a:redhat:openshift_ai
cpe:/a:redhat:openshift_devspaces:3
cpe:/a:redhat:quarkus:3
cpe:/a:redhat:serverless:1
Vendors & Products Redhat
Redhat apicurio Registry
Redhat build Keycloak
Redhat camel Quarkus
Redhat debezium
Redhat exploit Intelligence
Redhat jboss Fuse
Redhat openshift Ai
Redhat openshift Devspaces
Redhat quarkus
Redhat serverless
References

Fri, 18 Sep 2026 00:15:00 +0000

Type Values Removed Values Added
Description A flaw was found in Quarkus HTTP security. An unauthenticated attacker can exploit a discrepancy in how paths are normalized between the security matcher and HTTP request dispatchers. This allows the attacker to craft a URL that the security matcher considers public, but which is then routed to a protected endpoint, leading to an authorization bypass and potential unauthorized access to sensitive information.
Title quarkus-vertx-http: Authorization Bypass via Path Normalization Discrepancy in Quarkus HTTP Security
Weaknesses CWE-551
References
Metrics threat_severity

None

cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

threat_severity

Important


Subscriptions

Red Hat Red Hat Openshift Ai (rhoai)
Redhat Apicurio Registry Build Keycloak Build Of Apache Camel For Quarkus Build Of Apicurio Registry Build Of Debezium 3 Build Of Keycloak Build Of Quarkus Camel Quarkus Debezium Exploit Intelligence Jboss Fuse Openshift Ai Openshift Dev Spaces Openshift Devspaces Openshift Serverless Quarkus Quay 3 Serverless
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-09-18T09:38:27.326Z

Reserved: 2026-09-09T05:58:00.263Z

Link: CVE-2026-87743

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-18T10:17:07.520

Modified: 2026-09-18T19:06:08.407

Link: CVE-2026-87743

cve-icon Redhat

Severity : Important

Publid Date: 2026-09-17T13:10:22Z

Links: CVE-2026-87743 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-09-19T01:45:16Z

Weaknesses