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Advisory severityCritical10.0Apache Software Foundation Updated

Critical [CVE-2026-73116] Insufficiently Protected Credentials vulnerability in Apache Juneau

This critical-severity Apache Software Foundation advisory covers CVE-2026-73116 affecting Apache Juneau.

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

CVE-2026-73116 Source published Source updated

VulniPulse record published Record updated

CVE-2026-73116
Affected products & platforms
Apache Software FoundationUnclassified
Open source advisory

Summary

Insufficiently Protected Credentials vulnerability in Apache Juneau.

The Apache Juneau RestClient followed HTTP redirects while keeping credential headers from the original request, so a server that redirected the client to a different host or port, or from HTTPS to HTTP, could receive headers such as Authorization, Cookie, Proxy-Authorization and X-API-Key.

This issue affects Apache Juneau: through 9.2.0.

Users are recommended to upgrade to version 9.2.1, which fixes the issue. The fix applies to HTTP clients created by the RestClient builder; applications that supply their own HttpClient must disable automatic redirects or strip credential headers on cross-origin redirects themselves.

Is CVE-2026-73116 exploited?

No exploitation is reported in the sources VulniPulse tracks: CVE-2026-73116 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-2026-73116?

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.
Temporary workarounds
  • The fix applies to HTTP clients created by the RestClient builder; applications that supply their own HttpClient must disable automatic redirects or strip credential headers on cross-origin redirects themselves.

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

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