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Advisory severityCritical10.0Apache Software Foundation Updated

Critical [CVE-2026-73100] Insertion of Sensitive Information into Log File vulnerability in Apache Juneau

This critical-severity Apache Software Foundation advisory covers CVE-2026-73100 affecting Apache Juneau.

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

CVE-2026-73100 Source published Source updated

VulniPulse record published Record updated

CVE-2026-73100
Affected products & platforms
Apache Software FoundationUnclassified
Open source advisory

Summary

Insertion of Sensitive Information into Log File vulnerability in Apache Juneau.

The default REST server call logger records request headers for requests that end in a server error, without redacting them. Any client able to cause a server error gets headers such as Authorization, Cookie, Proxy-Authorization and X-API-Key written in cleartext to the application log, exposing them to anyone who can read the logs.

This issue affects Apache Juneau: through 9.2.0.

Users are recommended to upgrade to version 9.2.1, which fixes the issue.

Is CVE-2026-73100 exploited?

No exploitation is reported in the sources VulniPulse tracks: CVE-2026-73100 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-2026-73100?

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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