CVE-2026-19651

IBM Enterprise Build of Quarkus is affected by multiple vulnerabilities

Published Sep 8, 2026 CVSS 3.1 · 7.4 High EPSS < 1% KEV · Not listed
Description
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

Vendor Solution

The issues are addressed in IBM Enterprise Build of Quarkus 3.27.5.SP1 and 3.33.3.SP1. To update your project to IBM Enterprise Build of Quarkus 3.27.5.SP1 or 3.33.3.SP1, follow the instructions in the product documentation https://www.ibm.com/docs/en/quarkus/3.27.x .

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description A flaw was found in quarkus-spring-web. A remote attacker could exploit this vulnerability by manipulating the URL query string. The system incorrectly reads the URL query string as a request header, which can lead to an authorization bypass, allowing unauthorized access to resources. 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.
Title quarkus-spring-web: quarkus-spring-web: Authorization bypass via URL query string manipulation IBM Enterprise Build of Quarkus is affected by multiple vulnerabilities
First Time appeared Ibm
Ibm enterprise Build Of Quarkus
Weaknesses CWE-639
CPEs cpe:2.3:a:ibm:enterprise_build_of_quarkus:3.27.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:enterprise_build_of_quarkus:3.27.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:enterprise_build_of_quarkus:3.33.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:enterprise_build_of_quarkus:3.33.3:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm enterprise Build Of Quarkus
References
Metrics cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'}

Type Values Removed Values Added
First Time appeared Quarkus
Quarkus quarkus-spring-web
Vendors & Products Quarkus
Quarkus quarkus-spring-web
Type Values Removed Values Added
Description A flaw was found in quarkus-spring-web. A remote attacker could exploit this vulnerability by manipulating the URL query string. The system incorrectly reads the URL query string as a request header, which can lead to an authorization bypass, allowing unauthorized access to resources.
Title quarkus-spring-web: quarkus-spring-web: Authorization bypass via URL query string manipulation
Weaknesses CWE-551
References
Metrics threat_severity

None

threat_severity

Important

Weaknesses

Sources

Status
PUBLISHED
Assigner
ibm
Published
Updated
Sep 9, 2026, 1:27 PM
Reserved
Aug 12, 2026, 5:38 PM
Status
Awaiting Analysis
Published
Sep 8, 2026, 9:17 PM
Modified
Sep 9, 2026, 3:41 PM
Severity
Important
Public date
Aug 31, 2026, 11:29 AM