CVE-2025-54796
Versions prior to 1.18.9, the filter parameter for the "Recent Uploads" page allows arbitrary RegExes.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.46%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.46% probability · 40th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-400, CWE-833, CWE-1333
- Affected
- 9001/copyparty
- Source
- security-advisories@github.com
EPSS 0.5% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/9001/copyparty/commit/09910ba80784c3980947d92f45db696398c0fd83Patch
- https://github.com/9001/copyparty/releases/tag/v1.18.9Release Notes
- https://github.com/9001/copyparty/security/advisories/GHSA-5662-2rj7-f2v6Exploit, Vendor Advisory
- https://github.com/9001/copyparty/security/advisories/GHSA-5662-2rj7-f2v6Exploit, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.