{"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","cvssSource":"cna","cwe":["CWE-639"],"vendor":"JetBrains","product":"YouTrack","affected":["YouTrack < 2026.2.19422"],"published":"2026-10-01","updated":"2026-10-01","sourceUpdated":"2026-10-01T09:15:24.995Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-103491","references":[{"url":"https://www.jetbrains.com/privacy-security/issues-fixed/"}],"tags":["cve.org"],"ingestedAt":"2026-10-01T09:41:14.170Z","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\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}