CVE-2026-24486: fallo de gravedad alta en Kludex python-multipart
Python-Multipart has Arbitrary File Write via Non-Default Configuration
Publicada el · Actualizada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
41Vexday Risk Score
Sin señal de explotación. Ella tiene prueba de concepto pública.
ssvc Attendcvss 8.6epss 2.2%
de la publicación al arma93 días
Publicada en NVD27 ene
1ª PoC+93d
Python-Multipart is a streaming multipart parser for Python. Prior to version 0.0.22, a Path Traversal vulnerability exists when using non-default configuration options `UPLOAD_DIR` and `UPLOAD_KEEP_FILENAME=True`. An attacker can write uploaded files to arbitrary locations on the filesystem by crafting a malicious filename. Users should upgrade to version 0.0.22 to receive a patch or, as a workaround, avoid using `UPLOAD_KEEP_FILENAME=True` in project configurations.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
Productos afectados
Kludex · python-multipartPoCs públicas encontradas — 1
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CVEs relacionadas — Kludex python-multipart
En el mismo producto, de las más peligrosas a las menos.
CVE-2024-24762HIGHpython-multipart vulnerable to content-type header Regular expression Denial of ServiceEPSS 1.5%CVE-2026-42561HIGHPython-Multipart: Denial of Service via unbounded multipart part headersEPSS 0.7%CVE-2024-53981HIGHpython-multipart has a Denial of service (DoS) via deformation `multipart/form-data` boundaryEPSS 0.6%CVE-2026-53539HIGHPython-Multipart: Quadratic-time querystring parsing with semicolon separators causes CPU denial of serviceEPSS 0.5%CVE-2026-40347MEDIUMPython-Multipart affected by Denial of Service via large multipart preamble or epilogue dataEPSS 0.4%CVE-2026-53540LOWPython-Multipart: Negative Content-Length in parse_form buffers the entire body in memoryEPSS 0.3%
Referencias
https://access.redhat.com/errata/RHSA-2026:10184https://access.redhat.com/errata/RHSA-2026:1504https://access.redhat.com/errata/RHSA-2026:19712https://access.redhat.com/errata/RHSA-2026:3461https://access.redhat.com/errata/RHSA-2026:3462https://access.redhat.com/errata/RHSA-2026:3713https://access.redhat.com/errata/RHSA-2026:3782https://access.redhat.com/errata/RHSA-2026:3960https://access.redhat.com/errata/RHSA-2026:42644https://access.redhat.com/errata/RHSA-2026:44696https://access.redhat.com/errata/RHSA-2026:51357https://access.redhat.com/security/cve/CVE-2026-24486