{"id":"CVE-2026-100262","title":"In JetBrains YouTrack before 2026.2.18991 missing authorisation allowed users with read-only project access to overwrite project notification templates","summary":"In JetBrains YouTrack before 2026.2.18991 missing authorisation allowed users with read-only project access to overwrite project notification templates","severity":"high","cvss":7.6,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L","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":"2026-10-02T20:25:39.570","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-100262","references":[{"url":"https://www.jetbrains.com/privacy-security/issues-fixed/","label":"cve@jetbrains.com"}],"tags":["nvd","cve.org"],"epss":0.00211,"epssPercentile":0.11338,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-30T15:38:29.998536Z"},"ingestedAt":"2026-09-30T16:10:07.715Z","slug":"CVE-2026-100262","body":"## Overview\n\nIn JetBrains YouTrack before 2026.2.18991 missing authorisation allowed users with read-only project access to overwrite project notification templates\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":"twilight","depthScore":42,"depthScoreParts":{"impact":41.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}