7

CVE-2026-4519

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().
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
PythonPython Version < 3.13.13
PythonPython Version >= 3.14.0 < 3.14.4
PythonPython Version3.15.0 Updatealpha1
PythonPython Version3.15.0 Updatealpha2
PythonPython Version3.15.0 Updatealpha3
PythonPython Version3.15.0 Updatealpha4
PythonPython Version3.15.0 Updatealpha5
PythonPython Version3.15.0 Updatealpha6
PythonPython Version3.15.0 Updatealpha7
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.01% 0.009
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 3.3 1.8 1.4
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
cna@python.org 7 0 0
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE-20 Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.