Sensitive Information Exposure in Apache Juneau Logging Mechanism
CVE-2026-73100

10CRITICAL

Key Information:

Vendor

Apache
Status
Apache Juneau
Vendor
CVE Published:
5 November 2026

What is CVE-2026-73100?

There is a vulnerability in the logging mechanism of Apache Juneau that allows sensitive information, such as Authorization headers, Cookies, and API keys, to be recorded in log files without redaction when a server error occurs. This enables any client capable of triggering a server error to access sensitive data in cleartext format within the application logs, posing a significant security risk. Users are advised to upgrade to version 9.2.1 or later to mitigate this exposure.

Affected Version(s)

Apache Juneau 0 < 9.2.1

Apache Juneau 0 < 9.2.1

References

https://lists.apache.org/thread.html/j05q7vw08j48o96tdlzc...
vendor-advisory

CVSS V4

Score:
10
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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