{"id":"CVE-2026-100267","title":"In JetBrains YouTrack before 2026.2.19197 reDoS attack was possible via mailbox regex mail-rule filters","summary":"In JetBrains YouTrack before 2026.2.19197 reDoS attack was possible via mailbox regex mail-rule filters","severity":"medium","cvss":5.9,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-1333"],"vendor":"JetBrains","product":"YouTrack","affected":["YouTrack < 2026.2.19197"],"published":"2026-09-30","updated":"2026-09-30","sourceUpdated":"2026-09-30T16:44:39.840","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-100267","references":[{"url":"https://www.jetbrains.com/privacy-security/issues-fixed/","label":"cve@jetbrains.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-30T15:34:30.966300Z"},"ingestedAt":"2026-09-30T16:10:07.716Z","slug":"CVE-2026-100267","body":"## Overview\n\nIn JetBrains YouTrack before 2026.2.19197 reDoS attack was possible via mailbox regex mail-rule filters\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":32,"depthScoreParts":{"impact":32.5,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}