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TI-2023-19082 Aliases CVE-2023-37474GHSA-pxfv-7rr3-2qjg

Path traversal in copyparty

Priority HIGH 72CWE-22Published · Updated

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

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.4492 98th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed copyparty (9001): 1.8.2copyparty (PyPI): 1.8.2

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

VendorProductAffected versionsFixed inStatusSource
9001copypartybefore 1.8.21.8.2Patch availableCNA
—copyparty (PyPI)before 1.8.21.8.2Patch availableGHSA-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

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:9001:copyparty:*:*:*:*:*:*:*:*before 1.8.2Vulnerable9001
  • cpe:2.3:a:9001:copyparty:*:*:*:*:*:*:*:* Versions before 1.8.2 Vulnerable ·9001

Remediation

  • Fix · CNA copyparty (9001) Fixed in 1.8.2
  • Fix · GHSA-pxfv-7rr3-2qjg copyparty (PyPI) Fixed in 1.8.2 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-37474
  2. 2026-10-03 Alias added: GHSA-pxfv-7rr3-2qjg

References

  • 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
See all 11 →

Sources