{"id":"CVE-2026-100259","title":"In JetBrains YouTrack before 2026.2.18991 improper access control on Gantt chart allowed edits by users with view-only access","summary":"In JetBrains YouTrack before 2026.2.18991 improper access control on Gantt chart allowed edits by users with view-only access","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","cwe":["CWE-863"],"vendor":"jetbrains","product":"youtrack","affected":["youtrack < 2026.2.18991"],"patched":["youtrack 2026.2.18991"],"published":"2026-09-30","updated":"2026-10-02","sourceUpdated":"2026-10-02T20:35:38.773","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-100259","references":[{"url":"https://www.jetbrains.com/privacy-security/issues-fixed/","label":"cve@jetbrains.com"}],"tags":["nvd","cve.org"],"epss":0.00193,"epssPercentile":0.08939,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-30T15:39:00.858524Z"},"ingestedAt":"2026-09-30T16:10:07.668Z","slug":"CVE-2026-100259","body":"## Overview\n\nIn JetBrains YouTrack before 2026.2.18991 improper access control on Gantt chart allowed edits by users with view-only access\n\n## Affected\n\n- `youtrack < 2026.2.18991`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `youtrack 2026.2.18991`","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}