CVE Watch13 oct 2026

CVE-2026-104102

copyparty is a portable file server. Prior to 1.20.19, FTP upload path handling does not confine destinations to configured copyparty volume

CVSS

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Sin CVSS

EPSS

0.3%

p23

KEV

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Exploit Today

0-100

Publicado: 12 oct 2026 · Última mod.: 13 oct 2026 · CWE-22

EPSS · 30d

0.3%EPSS · 30 días0.3%

2026-10-132026-10-23

Descripción técnica

copyparty is a portable file server. Prior to 1.20.19, FTP upload path handling does not confine destinations to configured copyparty volumes. When FTP or FTPS is explicitly enabled, a low-privileged authenticated user can submit traversal paths during upload to create a new file outside configured volumes wherever the copyparty process has write permission. The attacker cannot read or overwrite files, the output name receives a randomized suffix, and copyparty does not execute the file; however, unrelated software on the same host could process the newly created file. This issue is fixed in version 1.20.19.

Referencias oficiales

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