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Python

Python

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Current version
Last checked: yesterday

3.12.13

Release date
March 03, 2026
CVE status
1 visible CVE

Source

endoflife.date

Public release notes are linked for the latest stored release.

Release history

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Version Published Notes
3.12.13 2026-03-03 Release Notes

Vulnerability tracking

Review curated CVEs for this product and see whether the current version is marked affected. Only CVEs with a CVSS score of 7.0 or higher and published in the last 90 days are shown.

CVE Severity Published Status Summary
CVE-2026-4519 HIGH (7.0) 2026-03-20 Current versionaffected

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().

Affected versions
  • Up to (excluding) 3.13.13
  • From (including) 3.14.0 - Up to (excluding) 3.14.4