BIT-LIBPYTHON-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 commands injected into the underlying shell. See CVE-2026-4519 for details...

Command injection

Multiple improper neutralization of special elements used in an OS Command 'OS Command Injection' vulnerabilities CWE-78 in FortiTester 7.1.0, 7.0 all versions, 4.0.0 through 4.2.0, 2.3.0 through 3.9.1 may allow an authenticated attacker to execute arbitrary commands in the underlying shell...