{"id":"BIT-python-min-2026-4786","summary":"Incomplete mitigation of CVE-2026-4519, %action expansion for command injection to webbrowser.open()","details":"Mitgation of CVE-2026-4519 was incomplete. If the URL contained \"%action\" the mitigation could be bypassed for certain browser types the \"webbrowser.open()\" API could have commands injected into the underlying shell. See CVE-2026-4519 for details.","aliases":["BIT-libpython-2026-4786","BIT-python-2026-4786","CVE-2026-4786","PSF-0000-CVE-2026-4786","PSF-2026-17"],"modified":"2026-04-17T04:56:56.097761400Z","published":"2026-04-16T23:50:34.577Z","database_specific":{"cpes":["cpe:2.3:a:python:python:*:*:*:*:*:*:*:*"],"severity":"High"},"references":[{"type":"WEB","url":"https://github.com/python/cpython/commit/c5767a72838a8dda9d6dc5d3558075b055c56bca"},{"type":"WEB","url":"https://github.com/python/cpython/commit/d22922c8a7958353689dc4763dd72da2dea03fff"},{"type":"WEB","url":"https://github.com/python/cpython/commit/f4654824ae0850ac87227fb270f9057477946769"},{"type":"WEB","url":"https://github.com/python/cpython/issues/148169"},{"type":"WEB","url":"https://github.com/python/cpython/pull/148170"},{"type":"WEB","url":"https://mail.python.org/archives/list/security-announce@python.org/thread/JQDUNJVB4AQNTJECSUKOBDU3XCJIPSE5/"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4786"}],"affected":[{"package":{"name":"python-min","ecosystem":"Bitnami","purl":"pkg:bitnami/python-min"},"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/python-min/BIT-python-min-2026-4786.json"},"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"}]}],"schema_version":"1.7.5"}