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Security Advisories

CVE-2026-4519

NVD

https://nvd.nist.gov/vuln/detail/CVE-2026-4519

Severity

Unknown
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Summary

webbrowser.open() allows leading dashes in URLs

Description

The webbrowser.open() API would accept leading dashes in the URL which could be handled as command line options for certain web browsers. New behavior rejects leading dashes. Users are recommended to sanitize URLs prior to passing to webbrowser.open().

References

Affected packages

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