---
title: "CVE-2026-87743: Quarkus HTTP - Authorization Bypass"
description: "Quarkus HTTP security contains an authorization bypass caused by path normalization discrepancy between security matcher and HTTP request dispatchers, letting unauthenticated attackers access protected endpoints, exploit requires crafted URL."
url: https://panop.io/threat-heartbeat/CVE-2026-87743/
---

# CVE-2026-87743 Quarkus HTTP - Authorization Bypass

Quarkus HTTP security contains an authorization bypass caused by path normalization discrepancy between security matcher and HTTP request dispatchers, letting unauthenticated attackers access protected endpoints, exploit requires crafted URL.

CVSS base score 7.5 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.52% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-87743)

## Details

Type

Authorization Bypass

Impact

Authorization Bypass, Information Disclosure

CVSS vector

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

Published

18 September 2026

Updated

15 October 2026

Weakness

[CWE-551](https://cwe.mitre.org/data/definitions/551.html)

## Vendor fix

Update to the latest version with the security fix.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-87743](https://nvd.nist.gov/vuln/detail/CVE-2026-87743)
- [https://bugzilla.redhat.com/show\_bug.cgi?id=2530523](https://bugzilla.redhat.com/show_bug.cgi?id=2530523)
- [https://access.redhat.com/errata/RHSA-2026:69470](https://access.redhat.com/errata/RHSA-2026:69470)
- [https://access.redhat.com/errata/RHSA-2026:69440](https://access.redhat.com/errata/RHSA-2026:69440)
- [https://access.redhat.com/security/cve/CVE-2026-87743](https://access.redhat.com/security/cve/CVE-2026-87743)

[← All CVEs](https://panop.io/threat-heartbeat/)

## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

[Book a demo](https://panop.io/demo)