CVE-2026-19651 IBM Enterprise Build of Quarkus is affected by multiple vulnerabilities

High 7.4 Published Updated

Attackers can bypass authorization controls by manipulating URL query parameters in IBM Enterprise Build of Quarkus.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-19651?

CVE-2026-19651 is a high-severity missing authorization vulnerability in IBM Enterprise Build of Quarkus, published on 8 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-639

Which versions are affected by CVE-2026-19651?

How do I fix CVE-2026-19651?

No fix has been published for CVE-2026-19651 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-19651 being exploited?

There is no known exploitation of CVE-2026-19651 in the wild and no public exploit code.

Sources

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