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CVE-2025-54796
August 01, 2025
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 Packages
copyparty (CONDA):
Affected version(s) >=1.18.5 <1.18.9
Fix Suggestion:
Update to version 1.18.9
https://github.com/9001/copyparty.git (GITHUB):
Affected version(s) >=v0.2.3 <v1.18.9
Fix Suggestion:
Update to version v1.18.9
copyparty (PYTHON):
Affected version(s) >=0.2.3 <1.18.9
Fix Suggestion:
Update to version 1.18.9
copyparty (PYTHON):
Affected version(s) >=0.2.3 <1.18.9
Fix Suggestion:
Update to version 1.18.9
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CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Deadlock
Inefficient Regular Expression Complexity
Uncontrolled Resource Consumption
EPSS
Base Score:
0.06