{"id":"CVE-2026-103491","title":"In JetBrains YouTrack before 2026.2.19422 iDOR in the issue activities API allowed reading restricted issues","summary":"In JetBrains YouTrack before 2026.2.19422 iDOR in the issue activities API allowed reading restricted issues","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-639"],"vendor":"jetbrains","product":"youtrack","affected":["youtrack < 2026.2.19422"],"patched":["youtrack 2026.2.19422"],"published":"2026-10-01","updated":"2026-10-01","sourceUpdated":"2026-10-01T14:28:17.527","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-103491","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":"2026-10-01T13:09:44.768772Z"},"ingestedAt":"2026-10-01T09:41:14.170Z","epss":0.00201,"epssPercentile":0.09853,"slug":"CVE-2026-103491","body":"## Overview\n\nIn JetBrains YouTrack before 2026.2.19422 iDOR in the issue activities API allowed reading restricted issues\n\n## Affected\n\n- `youtrack < 2026.2.19422`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `youtrack 2026.2.19422`","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}