Vulnerability details

CVE-2026-73101

Apache Software Foundation Apache Juneau

Apache Juneau: Internal exception class and message disclosed via error response header and body regardless of secure defaults

CVSS 4.0
10.0Critical

Official description

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.

CVSS scores

ScoreVersionSourceVector
10.0Critical 4.0 CVEProject cvelistV5 (CNA) (apache) 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

Affected products

VendorProductVersionsSource
Apache Software Foundation Apache Juneau v < 9.2.1 CVEProject cvelistV5 (CNA)

References and advisories

1
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Details

Published
2026-11-05
Last updated
2026-11-10
State
Published
Assigner (CNA)
apache
Kolun priority
24 · Low

Exploit prediction (EPSS)

0.42%
Probability of exploitation in 30 days
37.3%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
Yes
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-209
    Generation of Error Message Containing Sensitive Information