{"id":"CVE-2026-73101","title":"Apache Juneau: Internal exception class and message disclosed via error response header and body regardless of secure defaults","summary":"Generation of Error Message Containing Sensitive Information vulnerability in Apache Juneau.\n\nThe REST server sends the internal exception class and message to clients in a \"Thrown\" response header on every error response, and can includ…","severity":"critical","cvss":10,"cvssVector":"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","cvssSource":"cna","cwe":["CWE-209"],"vendor":"Apache Software Foundation","product":"org.apache.juneau:juneau-rest-server.","affected":["org.apache.juneau:juneau-rest-server. < 9.2.1"],"published":"2026-11-05","updated":"2026-11-05","sourceUpdated":"2026-11-05T11:52:25.335Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-73101","references":[{"url":"https://lists.apache.org/thread.html/j05q7vw08j48o96tdlzcsd4sozx1lyl6"}],"tags":["cve.org"],"ingestedAt":"2026-11-05T21:36:00.828Z","slug":"CVE-2026-73101","body":"## Overview\n\nGeneration of Error Message Containing Sensitive Information vulnerability in Apache Juneau.\n\nThe 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.\n\nThis issue affects Apache Juneau: through 9.2.0.\n\nUsers are recommended to upgrade to version 9.2.1, which fixes the issue.\n\n## Affected\n\n- `org.apache.juneau:juneau-rest-server. < 9.2.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":55,"depthScoreParts":{"impact":55,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}