{"id":"CVE-2026-100277","title":"In JetBrains YouTrack before 2026.2.19197 account takeover was possible by replaying a notification signature","summary":"In JetBrains YouTrack before 2026.2.19197 account takeover was possible by replaying a notification signature","severity":"high","cvss":8.9,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L","cwe":["CWE-863"],"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-2026-100277","references":[{"url":"https://www.jetbrains.com/privacy-security/issues-fixed/","label":"cve@jetbrains.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-30T15:29:34.855978Z"},"ingestedAt":"2026-09-30T16:10:07.781Z","slug":"CVE-2026-100277","body":"## Overview\n\nIn JetBrains YouTrack before 2026.2.19197 account takeover was possible by replaying a notification signature\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":49,"depthScoreParts":{"impact":49,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}