Path traversal in copyparty
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-22 and the CVSS impact.
Summary
Copyparty is a portable file server. Versions prior to 1.8.2 are subject to a path traversal vulnerability detected in the `.cpr` subfolder. The Path Traversal attack technique allows an attacker access to files, directories, and commands that reside outside the web document root directory. This issue has been addressed in commit `043e3c7d` which has been included in release 1.8.2. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| 9001 | copyparty | before 1.8.2 | 1.8.2 | Patch available | CNA |
| — | copyparty (PyPI) | before 1.8.2 | 1.8.2 | Patch available | GHSA-pxfv-7rr3-2qjg |
- copyparty Vendor9001 Affected before 1.8.2 Fixed in 1.8.2 Patch available CNA
- copyparty (PyPI) Vendor— Affected before 1.8.2 Fixed in 1.8.2 Patch available GHSA-pxfv-7rr3-2qjg
Remediation
- Fix · CNA copyparty (9001) Fixed in 1.8.2
- Fix · GHSA-pxfv-7rr3-2qjg copyparty (PyPI) Fixed in 1.8.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2023-37474
- 2026-10-03 Alias added: GHSA-pxfv-7rr3-2qjg
References
More 9001 Copyparty vulnerabilities
- TI-2025-34551 Copyparty is vulnerable to Regex Denial of Service (ReDoS) attacks through "Recent Uploads" page CVSS 3.1HIGH 7.5
- TI-2023-21990 Cross Site Scripting vulnerability in copyparty before 1.9.2 allows a local attacker to… CVSS 3.1HIGH 7.8
- TI-2023-19881 copyparty vulnerable to reflected cross-site scripting via k304 parameter CVSS 3.1MEDIUM 6.3
- TI-2025-34228 copyparty has a DOM-Based XSS vulnerability when displaying multimedia metadata CVSS 3.1MEDIUM 6.1
- TI-2025-20002 copyparty renders unsanitized filenames as HTML when user uploads empty files CVSS 3.1MEDIUM 6.1
- TI-2025-34360 copyparty Reflected XSS via Filter Parameter CVSS 3.1MEDIUM 6.3
Sources
- CVE-2023-37474 · CVE Program
- CVE-2023-37474 · NVD
- FIRST EPSS
- GHSA-pxfv-7rr3-2qjg · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences