Reject leading dashes in webbrowser.open() · Issue #143930 · python/cpython · GitHub

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Reject leading dashes in webbrowser.open() #143930

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Reject leading dashes in webbrowser.open()#143930

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stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directorytype-securityA security issueA security issue

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sethmlarson

opened on Jan 16, 2026

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• gh-143930: Reject leading dashes in webbrowser URLs #143931
• [3.14] gh-143930: Reject leading dashes in webbrowser URLs #146214
• [3.13] gh-143930: Reject leading dashes in webbrowser URLs #146215
• [3.10] gh-143930: Reject leading dashes in webbrowser URLs (GH-143931) #146359
• [3.12] gh-143930: Reject leading dashes in webbrowser URLs #146360
• [3.11] gh-143930: Reject leading dashes in webbrowser URLs (GH-143931) #146364
• gh-143930: Tweak the exception message and increase test coverage #146476
• gh-143930: Fix typo in NEWS entry #147948
• [3.14] gh-143930: Tweak the exception message and increase test coverage (GH-146476) #148042
• [3.13] gh-143930: Tweak the exception message and increase test coverage (GH-146476) #148045
• [3.12] gh-143930: Tweak the exception message and increase test coverage (GH-146476) (GH-148045) #148051
• [3.11] gh-143930: Tweak the exception message and increase test coverage (GH-146476) (GH-148045) (GH-148051) #148052
• [3.10] gh-143930: Tweak the exception message and increase test coverage (GH-146476) (GH-148045) (GH-148051) #148053

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stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directorytype-securityA security issueA security issue

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