7.5
HIGH CVSS 3.1
CVE-2025-54796
Copyparty Denial of Service (DoS) Regular Expression Injection
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.

INFO

Published Date :

Aug. 2, 2025, 12:15 a.m.

Last Modified :

Aug. 4, 2025, 4:15 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2025-54796 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Copyparty_project copyparty
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-54796 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-54796 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-54796 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Aug. 04, 2025

    Action Type Old Value New Value
    Added Reference https://github.com/9001/copyparty/security/advisories/GHSA-5662-2rj7-f2v6
  • New CVE Received by [email protected]

    Aug. 02, 2025

    Action Type Old Value New Value
    Added 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.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-400
    Added CWE CWE-833
    Added CWE CWE-1333
    Added Reference https://github.com/9001/copyparty/commit/09910ba80784c3980947d92f45db696398c0fd83
    Added Reference https://github.com/9001/copyparty/releases/tag/v1.18.9
    Added Reference https://github.com/9001/copyparty/security/advisories/GHSA-5662-2rj7-f2v6
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact