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Advisory severityCritical10.0Apache Software Foundation Updated

Critical [CVE-2026-73099] Cross-Site Request Forgery (CSRF) vulnerability in Apache Juneau

This critical-severity Apache Software Foundation advisory covers CVE-2026-73099 affecting Apache Juneau.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-73099 Source published Source updated

VulniPulse record published Record updated

CVE-2026-73099
Affected products & platforms
Apache Software FoundationUnclassified
Open source advisory

Summary

Cross-Site Request Forgery (CSRF) vulnerability in Apache Juneau.

The REST server accepts a "content" query parameter that replaces the request body, and this is enabled by default on every HTTP method, including GET.

A cross-site link can therefore deliver an attacker-chosen request body to an endpoint without a CORS preflight, defeating protections that rely on the HTTP method or content type instead of an anti-CSRF token.

This issue affects Apache Juneau: through 9.2.0.

Users are recommended to upgrade to version 9.2.1, which fixes the issue. Applications that do not use the content parameter can also set disableContentParam to true.

Is CVE-2026-73099 exploited?

No exploitation is reported in the sources VulniPulse tracks: CVE-2026-73099 is not in the CISA KEV catalog (checked ) and this advisory does not report exploitation. That is not proof the vulnerability cannot be exploited.

How do I fix CVE-2026-73099?

Upgrade to a fixed release named by Apache:

  • 9.2.1

Confirm against the vendor advisory before you patch.

Affected versions
  • through 9.2.0

Official advisory · high-confidence parse· fetched 2 days ago·verify at source

Fixed versions
  • 9.2.1

Official advisory · high-confidence parse· fetched 2 days ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Users are recommended to upgrade to version 9.2.1, which fixes the issue.

Official advisory · high-confidence parse· fetched 2 days ago·verify at source

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