Is there a public exploit for CVE-2026-73100?

No public exploit for CVE-2026-73100 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-2026-73100?

CVE-2026-73100 scores CVSS 10 (v4.0), rated critical.

What does CVE-2026-73100 affect?

CVE-2026-73100 affects Apache Software Foundation Apache Juneau.

10.0 Critical

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

CVE-2026-73100

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.

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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