{"id":"CVE-2019-12156","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-12156","generatedAt":"2026-10-29T01:00:10.793Z","title":"Server metadata could be exposed because one of the error messages reflected the whole response back to the client in JetBrains TeamCity versions before 2018.2.5 and UpSource versions before 2018.2 build 1293.","description":"Server metadata could be exposed because one of the error messages reflected the whole response back to the client in JetBrains TeamCity versions before 2018.2.5 and UpSource versions before 2018.2 build 1293.","published":"2019-10-02T19:15:12.000Z","lastModified":"2026-06-17T02:14:10.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"},"cwe":["CWE-209"],"affected":["jetbrains/upsource"],"epss":{"score":0.00904,"percentile":0.59597,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.90%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://blog.jetbrains.com/blog/2019/09/26/jetbrains-security-bulletin-q2-2019/","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://blog.jetbrains.com/blog/2019/09/26/jetbrains-security-bulletin-q2-2019/","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-12156","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}