CVE-2025-54796 — Copyparty is vulnerable to Regex Denial of Service (ReDoS) attacks through "Recent Uploads" page

CVE-2025-54796

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

Description (CNA)

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 (CNA)

Vendor / product	Versions
9001 / copyparty	affected < 1.18.9

CWE

CWE-400, CWE-1333, CWE-833

References

https://github.com/9001/copyparty/security/advisories/GHSA-5662-2rj7-f2v6
https://github.com/9001/copyparty/commit/09910ba80784c3980947d92f45db696398c0fd83
https://github.com/9001/copyparty/releases/tag/v1.18.9

ADP enrichment

CISA-ADP

No English description supplied.

https://github.com/9001/copyparty/security/advisories/GHSA-5662-2rj7-f2v6