{"id":"CVE-2026-123839","title":"In JetBrains IntelliJ IDEA before 2026.3 opening arbitrary URLs without confirmation was possible via the Remote Development port forwarding model","summary":"In JetBrains IntelliJ IDEA before 2026.3 opening arbitrary URLs without confirmation was possible via the Remote Development port forwarding model","severity":"medium","cvss":4.7,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N","cvssSource":"cna","cwe":["CWE-357"],"vendor":"JetBrains","product":"IntelliJ IDEA","affected":["intellij_idea < 2026.3"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-06T16:39:01.358697Z"},"published":"2026-11-06","updated":"2026-11-06","sourceUpdated":"2026-11-06T16:49:08.852Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-123839","references":[{"url":"https://www.jetbrains.com/privacy-security/issues-fixed/"}],"tags":["cve.org"],"ingestedAt":"2026-11-06T16:57:43.117Z","epss":0.00254,"epssPercentile":0.16995,"slug":"CVE-2026-123839","body":"## Overview\n\nIn JetBrains IntelliJ IDEA before 2026.3 opening arbitrary URLs without confirmation was possible via the Remote Development port forwarding model\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":"sunlit","depthScore":26,"depthScoreParts":{"impact":25.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}