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CVE-2026-73101Apache Juneau: Internal exception class and message disclosed via error response header and body regardless of secure defaults
Generation of Error Message Containing Sensitive Information vulnerability in Apache Juneau. The REST server sends the internal exception class and message to clients in a "Thrown" response header on every error response, and can include internal exception messages in the error body, even when stack-trace rendering is disabled. This reveals implementation details to remote clients. This issue affects Apache Juneau: through 9.2.0. Users are recommended to upgrade to version 9.2.1, which fixes the issue.
10.0 CRITICALEPSS 0.42%Not in KEVNVD: Deferred
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 10.0 | CRITICAL | 4.0apache (CNA) | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H |
Details
- CVE ID
- CVE-2026-73101
- Status
- Deferred
- Assigner (CNA)
- apache
- Published
- Nov 5, 2026
- Last modified
- 2026-11-05 15:01 UTC
- Weaknesses
- CWE-209 · Generation of Error Message Containing Sensitive Information
Affected Products
As published by the CNA in the CVE record.
Apache Software FoundationApache Juneau1 version range
- before 9.2.1