Is there a public exploit for CVE-2026-73098?

No public exploit for CVE-2026-73098 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-73098?

CVE-2026-73098 scores CVSS 10 (v4.0), rated critical.

What does CVE-2026-73098 affect?

CVE-2026-73098 affects Apache Software Foundation Apache Juneau.

10.0 Critical

Improper control of dynamically-loaded code vulnerability in Apache Juneau.

CVE-2026-73098

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.

Assessment

CVSS: 10 (v4.0)
Severity: Critical
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 5 November 2026
Last updated: 5 November 2026
Affected: Apache Software Foundation · Apache Juneau
Assigner: apache

CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

At the source

EUVD (ENISA)

References

https://lists.apache.org/thread.html/j05q7vw08j48o96tdlzcsd4sozx1lyl6

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