🛡️ BIT-libpython-2026-4519 — libpython

🟠 CVSS 8.0 — High ✅ No Known Exploit OSV
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

webbrowser.open() allows leading dashes in URLs

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 software

BIT-libpython-2026-4519 is recorded against 1 package.

  • libpython

Timeline and source

Published on 25 March 2026 and last revised on 27 March 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

www.openwall.com (Web)
github.com (Web)
github.com (Web)
github.com (Web)
github.com (Web)
github.com (Web)
github.com (Web)
github.com (Web)
mail.python.org (Web)
nvd.nist.gov (Web)

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-03-25
Updated 2026-08-12
Modified 2026-03-27
Fix URL N/A

Affected Packages

Software From version Fixed in
libpython

More BIT LIBPYTHON 2026 advisories

Browse all of BIT LIBPYTHON 2026 in the advisory index.

Site Security Check

Is libpython part of your stack?

BIT-libpython-2026-4519 is rated CVSS 8.0 High. BotEraser scans your installation against known CVE records and tells you whether this vulnerability applies to the versions you actually run.

Scan My Site Free →

No credit card required  ·  Results in minutes

ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.