{"id":"CVE-2026-123301","title":"In JetBrains IntelliJ IDEA before 2026.3 dOM-based XSS in the OpenAPI preview error view was possible","summary":"In JetBrains IntelliJ IDEA before 2026.3 dOM-based XSS in the OpenAPI preview error view was possible","severity":"high","cvss":8.2,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","cvssSource":"cna","cwe":["CWE-79"],"vendor":"JetBrains","product":"IntelliJ IDEA","affected":["intellij_idea < 2026.3"],"published":"2026-11-06","updated":"2026-11-06","sourceUpdated":"2026-11-06T10:27:58.145Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-123301","references":[{"url":"https://www.jetbrains.com/privacy-security/issues-fixed/"}],"tags":["cve.org"],"ingestedAt":"2026-11-06T10:49:35.364Z","slug":"CVE-2026-123301","body":"## Overview\n\nIn JetBrains IntelliJ IDEA before 2026.3 dOM-based XSS in the OpenAPI preview error view was possible\n\n## Affected\n\n- `intellij_idea < 2026.3`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":45.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}