CVE-2026-0846: fallo de gravedad alta en nltk/nltk
Arbitrary File Read via Absolute Path Input in nltk.util.filestring()
Publicada el · Actualizada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
21Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 7.5epss 0.6%
A vulnerability in the `filestring()` function of the `nltk.util` module in nltk version 3.9.2 allows arbitrary file read due to improper validation of input paths. The function directly opens files specified by user input without sanitization, enabling attackers to access sensitive system files by providing absolute paths or traversal paths. This vulnerability can be exploited locally or remotely, particularly in scenarios where the function is used in web APIs or other interfaces that accept user-supplied input.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Productos afectados
nltk · nltk/nltkCVEs relacionadas — nltk/nltk
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Referencias
https://access.redhat.com/errata/RHSA-2026:10184https://access.redhat.com/errata/RHSA-2026:19712https://access.redhat.com/security/cve/CVE-2026-0846https://bugzilla.redhat.com/show_bug.cgi?id=2445826https://huntr.com/bounties/007b84f8-418e-4300-99d0-bf504c2f97ebhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-0846.json