{"affected":[{"defaultStatus":"unaffected","product":"IntelliJ IDEA","source":"CNA: JetBrains","vendor":"JetBrains","versions":[{"lessThan":"2026.3, \n2026.2.4","status":"affected","version":"0","versionType":"semver"}]}],"cveId":"CVE-2026-123309","cwes":["CWE-79"],"description":"In JetBrains IntelliJ IDEA before 2026.3, \n2026.2.4 stored XSS was possible on the built-in web server via Markdown preview","epss":null,"exploits":[],"kev":null,"metrics":[{"score":6.1,"severity":"medium","source":"CNA: JetBrains","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},{"score":6.1,"severity":"medium","source":"NVD: cve@jetbrains.com","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","version":"3.1"}],"modifiedAt":1793963830053,"publishedAt":1793960881193,"references":[{"source":"CNA: JetBrains","tags":[],"url":"https://www.jetbrains.com/privacy-security/issues-fixed/"},{"source":"cve@jetbrains.com","tags":[],"url":"https://www.jetbrains.com/privacy-security/issues-fixed/"}],"remediation":[],"revision":"3ab3c75fe6183db83840744e79c380b6df4fb3264fc4c9353ff5fbc3d5e76436","sources":[{"modifiedAt":1793960881193,"name":"CNA: JetBrains","retrievedAt":1793963377466,"url":"https://www.cve.org/CVERecord?id=CVE-2026-123309"},{"modifiedAt":1793963830053,"name":"NVD","retrievedAt":1793967591420,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-123309"}],"ssvc":null,"status":"published","title":"CVE-2026-123309","updatedAt":1793967591420}