{"id":"CVE-2026-100267","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-100267","generatedAt":"2026-10-28T00:59:42.548Z","title":"In JetBrains YouTrack before 2026.2.19197 reDoS attack was possible via mailbox regex mail-rule filters","description":"In JetBrains YouTrack before 2026.2.19197 reDoS attack was possible via mailbox regex mail-rule filters","published":"2026-09-30T16:16:58.000Z","lastModified":"2026-10-01T15:25:02.000Z","status":"Analyzed","sourceIdentifier":"cve@jetbrains.com","cvss":{"version":"3.1","score":5.9,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-1333"],"affected":["jetbrains/youtrack"],"epss":{"score":0.00286,"percentile":0.2096,"date":"2026-10-26","history":[{"date":"2026-10-01","score":0.00367,"percentile":0.28149}]},"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 (0.29%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-09-30T16:16:58.000Z","detail":{"score":"5.9","severity":"MEDIUM","publishedAt":"2026-09-30T16:16:57.853Z"},"summary":"New CVE, medium severity (CVSS 5.9)."}],"references":[{"url":"https://www.jetbrains.com/privacy-security/issues-fixed/","tags":["Vendor Advisory"],"source":"cve@jetbrains.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-100267","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."}