{"id":"CVE-2026-49384","aliases":["EUVD-2026-33392","GHSA-94rv-v2wh-r9wx"],"status":"published","title":"In JetBrains PyCharm before 2025.3.4 stored XSS in Jupyter notebook Markdown cells was possible","description":"In JetBrains PyCharm before 2025.3.4 stored XSS in Jupyter notebook Markdown cells was possible","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00181,"percentile":0.07719,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-05-29T18:15:53Z","modified":"2026-07-22T06:10:00Z","products":[{"vendor":"jetbrains","product":"pycharm"}],"references":[{"url":"https://www.jetbrains.com/privacy-security/issues-fixed/","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-49384"},{"url":"https://www.jetbrains.com/privacy-security/issues-fixed"},{"url":"https://github.com/advisories/GHSA-94rv-v2wh-r9wx"}],"sources":{"cve":[{"id":"CVE-2026-49384","description":"In JetBrains PyCharm before 2025.3.4 stored XSS in Jupyter notebook Markdown cells was possible","status":"published","published":"2026-05-29T18:15:53.938Z","modified":"2026-05-29T19:27:26.582Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T13:35:10.963527Z"}],"euvd":[{"id":"EUVD-2026-33392","description":"In JetBrains PyCharm before 2025.3.4 stored XSS in Jupyter notebook Markdown cells was possible","status":"published","published":"2026-05-29T18:15:53Z","modified":"2026-05-29T19:27:26Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T18:21:00.384456Z"}],"ghsa":[{"id":"GHSA-94rv-v2wh-r9wx","title":"In JetBrains PyCharm before 2025.3.4 stored XSS in Jupyter notebook Markdown cells was possible","description":"In JetBrains PyCharm before 2025.3.4 stored XSS in Jupyter notebook Markdown cells was possible","status":"published","published":"2026-05-29T21:31:23Z","modified":"2026-05-29T21:31:30Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:08:24.903932Z"}],"nvd":[{"id":"CVE-2026-49384","description":"In JetBrains PyCharm before 2025.3.4 stored XSS in Jupyter notebook Markdown cells was possible","status":"published","published":"2026-05-29T19:16:28.453Z","modified":"2026-07-22T06:10:00.17Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:21.635958Z"}]}}