Copyparty is vulnerable to Regex Denial of Service (ReDoS) attacks through “Recent Uploads” page

CVE Details

Basic Information

Title Copyparty is vulnerable to Regex Denial of Service (ReDoS) attacks through “Recent Uploads” page
Type cve
Published 2025-08-01T23:38:27.221Z
Modified 2025-08-01T23:38:27.221Z

Product Information

Vendor 9001
Product copyparty
Version < 1.18.9

CVSS Information

Base Score 7.5 (HIGH)
Attack Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products

  • 9001 copyparty < 1.18.9

Additional Information

CWE List CWE-400, CWE-1333, CWE-833
Source GitHub_M

Description

Copyparty is a portable file server. Versions prior to 1.18.9, the filter parameter for the “Recent Uploads” page allows arbitrary RegExes. If this feature is enabled (which is the default), an attacker can craft a filter which deadlocks the server. This is fixed in version 1.18.9.

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