CVE-2026-4786 — Incomplete mitigation of CVE-2026-4519, %action expansion for command injection to webbrowser.open()
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 comma…
Published: 2026-04-13 · CVSS: 7.0 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7