CVE-2026-73101 · Package
NO FIX YET · SEE WHAT TO DO
Apache Juneau's REST server sends the internal exception class and message in a "Thrown" response header and sometimes in the error body, even when stack traces are disabled. An attacker who sends requests that trigger errors learns implementation details about the server.
first public Nov 5, 2026 · 1 source
Check it with your coding agent
It checks your repository and tells you if you’re affected, with the fix.
Teams running a Java REST service built on Apache Juneau through version 9.2.0 are exposed, since every error response carries the header. Services that do not use Juneau's REST server can skip it.
Not affected if not-using-juneau-rest-server
Who cares apache-juneau, java, rest
pom.xml or build.gradle) against the affected range.9.2.1.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.
This page as .md · .json · 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.
Are you affected?
Tell InfraStack what you run. It checks this one, and every next one, against your stack.
Ask from here. InfraStack checks the affected versions against your stack and answers in your inbox.
InfraStack checks the affected versions against your stack and answers in Slack, with the evidence and the fix.