{"id":"CVE-2026-123840","aliases":["EUVD-2026-118343","GHSA-cw9v-29r9-xhg4"],"status":"published","title":"In JetBrains IntelliJ IDEA before 2026.3 hTML injection was possible in Remote Development editor...","description":"In JetBrains IntelliJ IDEA before 2026.3 hTML injection was possible in Remote Development editor tabs","severity":{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00199,"percentile":0.09824,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-80"],"published":"2026-11-06T16:10:03Z","modified":"2026-11-12T02:48:24Z","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-2026-123840","tags":["advisory"]},{"url":"https://www.jetbrains.com/privacy-security/issues-fixed"},{"url":"https://github.com/advisories/GHSA-cw9v-29r9-xhg4"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/123xxx/CVE-2026-123840.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-123840","description":"In JetBrains IntelliJ IDEA before 2026.3 hTML injection was possible in Remote Development editor tabs","status":"published","published":"2026-11-06T16:10:03.819Z","modified":"2026-11-06T20:45:58.016Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-80"],"updated_at":"2026-11-06T21:31:07.264033Z"}],"euvd":[{"id":"EUVD-2026-118343","description":"In JetBrains IntelliJ IDEA before 2026.3 hTML injection was possible in Remote Development editor tabs","status":"published","published":"2026-11-06T16:10:03Z","modified":"2026-11-06T20:45:58Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-06T21:07:06.383522Z"}],"ghsa":[{"id":"GHSA-cw9v-29r9-xhg4","title":"In JetBrains IntelliJ IDEA before 2026.3 hTML injection was possible in Remote Development editor...","description":"In JetBrains IntelliJ IDEA before 2026.3 hTML injection was possible in Remote Development editor tabs","status":"published","published":"2026-11-06T18:35:16Z","modified":"2026-11-06T18:35:16Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-80"],"updated_at":"2026-11-06T19:01:26.771329Z"}],"nvd":[{"id":"CVE-2026-123840","description":"In JetBrains IntelliJ IDEA before 2026.3 hTML injection was possible in Remote Development editor tabs","status":"published","published":"2026-11-06T17:17:22.55Z","modified":"2026-11-10T20:09:37.063Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-80"],"updated_at":"2026-11-10T22:21:31.83577Z"}],"osv":[{"id":"CVE-2026-123840","description":"In JetBrains IntelliJ IDEA before 2026.3 hTML injection was possible in Remote Development editor tabs","status":"published","published":"2026-11-06T16:10:03.819Z","modified":"2026-11-12T02:48:24.69434748Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-80"],"updated_at":"2026-11-12T03:30:55.144331Z"}]}}