---
id: CVE-2026-19651
title: >-
  IBM Enterprise Build of Quarkus 3.27.1 through 3.27.5, and 3.33.1 through
  3.33.3  could allow an attacker to bypass authorization by manipulating URL
  query parameters due to incorrect mapping of values to untrusted query string
  input.
summary: >-
  IBM Enterprise Build of Quarkus 3.27.1 through 3.27.5, and 3.33.1 through
  3.33.3  could allow an attacker to bypass authorization by manipulating URL
  query parameters due to incorrect mapping of values to untrusted query string
  input.
severity: high
cvss: 7.4
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'
cwe:
  - CWE-639
  - CWE-551
vendor: IBM
product: Enterprise Build of Quarkus
affected:
  - enterprise_build_of_quarkus >= 3.27.1 <= 3.27.5
  - enterprise_build_of_quarkus >= 3.33.1 <= 3.33.3
published: '2026-09-08'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T15:41:55.983'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-19651'
references:
  - url: 'https://www.ibm.com/support/pages/node/7286498'
    label: psirt@us.ibm.com
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-19651.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-19651'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-19651'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-19651'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2517694'
  - url: 'https://access.redhat.com/errata/RHSA-2026:62515'
  - url: 'https://access.redhat.com/errata/RHSA-2026:62555'
tags:
  - nvd
  - cve.org
  - csaf
  - vex
  - red-hat
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-09T13:27:41.882596Z'
ingestedAt: '2026-09-08T21:11:12.374Z'
epss: 0.00343
epssPercentile: 0.27684
patched:
  - build_of_quarkus 3.27.5.SP1
  - build_of_quarkus 3.33.3.SP1
---

## Overview

IBM Enterprise Build of Quarkus 3.27.1 through 3.27.5, and 3.33.1 through 3.33.3  could allow an attacker to bypass authorization by manipulating URL query parameters due to incorrect mapping of values to untrusted query string input.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Vendor advisories

- **Red Hat VEX** · updated 2026-09-11 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-19651.json)
- **RHSA-2026:62515** · Red Hat · fixed in: Red Hat build of Quarkus 3.27.5.SP1 · released 2026-09-03 · [advisory](https://access.redhat.com/errata/RHSA-2026:62515)
- **RHSA-2026:62555** · Red Hat · fixed in: Red Hat build of Quarkus 3.33.3.SP1 · released 2026-09-03 · [advisory](https://access.redhat.com/errata/RHSA-2026:62555)