CVE-2026-19651

High

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.

SeverityHigh

CVSS7.4

Exploit probability—

Product

Ibm Enterprise Build Of Quarkus

PublishedSep 8, 2026

First seenSep 8, 2026

Weakness typeCWE-639Authorization bypass through user-controlled key

How to fix

Patches

ibm.com/support/pages/node/7286498

Affected products

Product	Affected versions	Fixed in
ibm enterprise_build_of_quarkus	3.27.1 ≤ v ≤ 3.27.5, 3.33.1 ≤ v ≤ 3.33.3	—

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