{"id":"CVE-2026-123301","aliases":["EUVD-2026-118066","GHSA-j26g-m3x5-cmp7"],"status":"published","title":"In JetBrains IntelliJ IDEA before 2026.3 dOM-based XSS in the OpenAPI preview error view was...","description":"In JetBrains IntelliJ IDEA before 2026.3 dOM-based XSS in the OpenAPI preview error view was possible","severity":{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00266,"percentile":0.18729,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-11-06T10:27:58Z","modified":"2026-11-12T02:47:04Z","products":[{"vendor":"jetbrains","product":"intellij idea"},{"vendor":"jetbrains","product":"intellij_idea"}],"references":[{"url":"https://www.jetbrains.com/privacy-security/issues-fixed/","tags":["Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-123301","tags":["advisory"]},{"url":"https://www.jetbrains.com/privacy-security/issues-fixed"},{"url":"https://github.com/advisories/GHSA-j26g-m3x5-cmp7"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/123xxx/CVE-2026-123301.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-123301","description":"In JetBrains IntelliJ IDEA before 2026.3 dOM-based XSS in the OpenAPI preview error view was possible","status":"published","published":"2026-11-06T10:27:58.145Z","modified":"2026-11-10T17:47:55.557Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-10T18:39:46.830944Z"}],"euvd":[{"id":"EUVD-2026-118066","description":"In JetBrains IntelliJ IDEA before 2026.3 dOM-based XSS in the OpenAPI preview error view was possible","status":"published","published":"2026-11-06T10:27:58Z","modified":"2026-11-10T17:47:55Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","level":"high"}],"updated_at":"2026-11-10T19:22:12.693108Z"}],"ghsa":[{"id":"GHSA-j26g-m3x5-cmp7","title":"In JetBrains IntelliJ IDEA before 2026.3 dOM-based XSS in the OpenAPI preview error view was...","description":"In JetBrains IntelliJ IDEA before 2026.3 dOM-based XSS in the OpenAPI preview error view was possible","status":"published","published":"2026-11-06T12:30:39Z","modified":"2026-11-06T12:30:40Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-06T13:00:04.317934Z"}],"nvd":[{"id":"CVE-2026-123301","description":"In JetBrains IntelliJ IDEA before 2026.3 dOM-based XSS in the OpenAPI preview error view was possible","status":"published","published":"2026-11-06T11:17:09.067Z","modified":"2026-11-10T19:42:29.887Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-10T22:21:31.83577Z"}],"osv":[{"id":"CVE-2026-123301","description":"In JetBrains IntelliJ IDEA before 2026.3 dOM-based XSS in the OpenAPI preview error view was possible","status":"published","published":"2026-11-06T10:27:58.145Z","modified":"2026-11-12T02:47:04.760613041Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-12T02:58:48.611889Z"}]}}