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CVE-2026-4519

LOW

3.3

Descripcion

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().

Detalles CVE

Puntuacion CVSS v3.13.3

SeveridadLOW

Vector CVSSCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Vector de ataqueLOCAL

ComplejidadLOW

Privilegios requeridosNONE

Interaccion usuarioREQUIRED

Publicado3/20/2026

Ultima modificacion4/16/2026

Fuentenvd

Avistamientos honeypot0

Productos afectados

python:python

Debilidades (CWE)

CWE-20

Referencias

https://github.com/python/cpython/commit/3681d47a440865aead912a054d4599087b4270dd(cna@python.org)

https://github.com/python/cpython/commit/43fe06b96f6a6cf5cfd5bdab20b8649374956866(cna@python.org)

https://github.com/python/cpython/commit/591ed890270c5697b013bf637029fb3e6cd2d73e(cna@python.org)

https://github.com/python/cpython/commit/594b5a05dc9913880ac92eded440defbf32a28d1(cna@python.org)

https://github.com/python/cpython/commit/82a24a4442312bdcfc4c799885e8b3e00990f02b(cna@python.org)

https://github.com/python/cpython/commit/89bfb8e5ed3c7caa241028f1a4eac5f6275a46a4(cna@python.org)

https://github.com/python/cpython/commit/9669a912a0e329c094e992204d6bdb8787024d76(cna@python.org)

https://github.com/python/cpython/commit/96fc5048605863c7b6fd6289643feb0e97edd96c(cna@python.org)

https://github.com/python/cpython/commit/ad4d5ba32af4d80b0dfa2ba9d8203bfb219e60a5(cna@python.org)

https://github.com/python/cpython/commit/cbba6119391112aba9c5aebf7b94aea447922c48(cna@python.org)

https://github.com/python/cpython/commit/cc023511238ad93ecc8796157c6f9139a2bb2932(cna@python.org)

https://github.com/python/cpython/commit/ceac1efc66516ac387eef2c9a0ce671895b44f03(cna@python.org)

https://github.com/python/cpython/issues/143930(cna@python.org)

https://github.com/python/cpython/pull/143931(cna@python.org)

https://mail.python.org/archives/list/security-announce@python.org/thread/AY5NDSS433JK56Q7Q5IS7B37QFZVVOUS/(cna@python.org)

http://www.openwall.com/lists/oss-security/2026/03/20/1(af854a3a-2127-422b-91ae-364da2661108)

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