CVE-2026-73098

Critical

Description

Improper control of dynamically-loaded code vulnerability in Apache Juneau. When Apache Juneau parses a value into a property of type java.lang.Class (including parameterized forms), the default class swap loaded the named class with initialization enabled, so input naming a class on the application classpath ran that class's static initializer. The impact depends on the classes present in the deployment. This issue affects Apache Juneau: through 9.2.0. Users are recommended to upgrade to version 9.2.1, which fixes the issue.

SeverityCritical

CVSS10.0

Exploit probability—

ProductApache Juneau

PublishedNov 5, 2026

First seenNov 5, 2026

Weakness typeCWE-470CWE-470

How to fix

Update

Apache Software Foundation Apache Juneau9.2.1 or later

Vendor advisories

lists.apache.org/thread.html/j05q7vw08j48o96tdlzcsd4sozx1lyl6

Affected products

Product	Affected versions	Fixed in
Apache Software Foundation Apache Juneau	v < 9.2.1	9.2.1

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