CVE-2026-4519

CVE-2026-4519 affects the Python webbrowser.open() API, where URLs with a leading dash could be treated as command‑line options by certain browsers. The published CVE description shows that the new behavior rejects leading dashes and recommends sanitizing URLs before passing them to webbrowser.op...

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...

CVE-2026-4519

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...

CVE-2026-4519

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...

PSF-2026-14

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...

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...

Python -- The webbrowser.open() API allows leading dashes

https://github.com/python/cpython/pull/143931 reports: 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...

CPython 安全漏洞

CPython is a Python interpreter implemented in C language by the Python Foundation. CPython has a security vulnerability that stems from the webbrowser.open API accepting leading dashes in URLs. This could allow certain web browsers to treat these URLs as command-line options, resulting in securi...

PT-2026-26624

Name of the Vulnerable Software and Affected Versions CPython affected versions not specified Description The webbrowser.open API accepted leading dashes in URLs, which could be interpreted as command line options by certain web browsers. This behavior has been modified to reject leading dashes...

Malicious Package

Overview approvalratings-cli-app is a malicious package. Affected versions of this package were found to be a Malicious Package, as it utilised typosquatting to run Malicious 3rd party scripts. It replaced genuine packages using an and replaced it with - and vice versa Remediation Avoid using...

Malicious Package

Overview game-shufflecards is a malicious package. Affected versions of this package were found to be a Malicious Package, as it utilised typosquatting to run Malicious 3rd party scripts. It replaced genuine packages using an and replaced it with - and vice versa Remediation Avoid using...

Malicious Package

Overview age-validator is a malicious package. Affected versions of this package were found to be a Malicious Package, as it utilised typosquatting to run Malicious 3rd party scripts. It replaced genuine packages using an and replaced it with - and vice versa Remediation Avoid using age-validator...

Malicious Package

Overview acmesmithns1 is a malicious package. Affected versions of this package were found to be a Malicious Package, as it utilised typosquatting to run Malicious 3rd party scripts. It replaced genuine packages using an and replaced it with - and vice versa Remediation Avoid using acmesmithns1...

Malicious Package

Overview first-givingapi is a malicious package. Affected versions of this package were found to be a Malicious Package, as it utilised typosquatting to run Malicious 3rd party scripts. It replaced genuine packages using an and replaced it with - and vice versa Remediation Avoid using...

Malicious Package

Overview assets-offline is a malicious package. Affected versions of this package were found to be a Malicious Package, as it utilised typosquatting to run Malicious 3rd party scripts. It replaced genuine packages using an and replaced it with - and vice versa Remediation Avoid using assets-offli...

Malicious Package

Overview application-config is a malicious package. Affected versions of this package were found to be a Malicious Package, as it utilised typosquatting to run Malicious 3rd party scripts. It replaced genuine packages using an and replaced it with - and vice versa Remediation Avoid using...

Malicious Package

Overview a-special-day is a malicious package. Affected versions of this package were found to be a Malicious Package, as it utilised typosquatting to run Malicious 3rd party scripts. It replaced genuine packages using an and replaced it with - and vice versa Remediation Avoid using a-special-day...

Malicious Package

Overview active-press is a malicious package. Affected versions of this package were found to be a Malicious Package, as it utilised typosquatting to run Malicious 3rd party scripts. It replaced genuine packages using an and replaced it with - and vice versa Remediation Avoid using active-press...

Malicious Package

Overview gamer-stats is a malicious package. Affected versions of this package were found to be a Malicious Package, as it utilised typosquatting to run Malicious 3rd party scripts. It replaced genuine packages using an and replaced it with - and vice versa Remediation Avoid using gamer-stats...

Malicious Package

Overview banner-jobsub is a malicious package. Affected versions of this package were found to be a Malicious Package, as it utilised typosquatting to run Malicious 3rd party scripts. It replaced genuine packages using an and replaced it with - and vice versa Remediation Avoid using banner-jobsub...