What is the CVSS score of CVE-2025-54796?

CVE-2025-54796 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.1%.

Which versions of Copyparty are affected by CVE-2025-54796?

Organizations using Copyparty face notable risk from CVE-2025-54796, a resource exhaustion vulnerability rated CVSS 7.5.. A patch is available.

Is there a public PoC exploit available for CVE-2025-54796?

Yes, a public proof-of-concept exploit is available for CVE-2025-54796. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-54796?

Within 30 days: Identify all affected systems and apply vendor patches as part of regular patch cycle. Vendor patch is available.

Copyparty CVE-2025-54796

HIGH

Uncontrolled Resource Consumption (CWE-400)

2025-08-02 security-advisories@github.com

Denial Of Service Copyparty 9001

7.5

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:04 vuln.today

Patch released

Mar 28, 2026 - 19:04 nvd

Patch available

PoC Detected

Sep 12, 2025 - 16:13 vuln.today

Public exploit code

CVE Published

Aug 02, 2025 - 00:15 nvd

HIGH 7.5

DescriptionGitHub Advisory

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.

AnalysisAI

Copyparty is a portable file server. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Uncontrolled Resource Consumption (CWE-400), which allows attackers to cause denial of service by exhausting system resources. 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. Affected products include: 9001 Copyparty. Version information: prior to 1.18.9.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Implement rate limiting, set resource quotas, validate input sizes, use timeouts.