{"id":"CVE-2026-123854","aliases":["EUVD-2026-118314","GHSA-p2w8-wjxp-vp5p"],"status":"published","title":"In JetBrains PyCharm before 2026.3 code execution was possible in Safe Mode via a crafted Jupyter...","description":"In JetBrains PyCharm before 2026.3 code execution was possible in Safe Mode via a crafted Jupyter notebook widget module","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00169,"percentile":0.06312,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-829"],"published":"2026-11-06T16:10:11Z","modified":"2026-11-06T18:35:23Z","products":[{"vendor":"jetbrains","product":"pycharm"}],"references":[{"url":"https://www.jetbrains.com/privacy-security/issues-fixed/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-123854"},{"url":"https://www.jetbrains.com/privacy-security/issues-fixed"},{"url":"https://github.com/advisories/GHSA-p2w8-wjxp-vp5p"}],"sources":{"cve":[{"id":"CVE-2026-123854","description":"In JetBrains PyCharm before 2026.3 code execution was possible in Safe Mode via a crafted Jupyter notebook widget module","status":"published","published":"2026-11-06T16:10:11.837Z","modified":"2026-11-07T04:55:46.206Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-829"],"updated_at":"2026-11-07T05:32:42.683254Z"}],"euvd":[{"id":"EUVD-2026-118314","description":"In JetBrains PyCharm before 2026.3 code execution was possible in Safe Mode via a crafted Jupyter notebook widget module","status":"published","published":"2026-11-06T16:10:11Z","modified":"2026-11-08T01:01:31Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-06T21:07:04.18991Z"}],"ghsa":[{"id":"GHSA-p2w8-wjxp-vp5p","title":"In JetBrains PyCharm before 2026.3 code execution was possible in Safe Mode via a crafted Jupyter...","description":"In JetBrains PyCharm before 2026.3 code execution was possible in Safe Mode via a crafted Jupyter notebook widget module","status":"published","published":"2026-11-06T18:35:22Z","modified":"2026-11-06T18:35:23Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-829"],"updated_at":"2026-11-06T19:01:27.658277Z"}],"nvd":[{"id":"CVE-2026-123854","description":"In JetBrains PyCharm before 2026.3 code execution was possible in Safe Mode via a crafted Jupyter notebook widget module","status":"published","published":"2026-11-06T17:17:24.577Z","modified":"2026-11-08T01:16:36.923Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-829"],"updated_at":"2026-11-06T22:02:17.053381Z"}]}}