Path Traversal in Sync-in Sync-in_server
CVE-2025-56869
Directory traversal vulnerability in Sync In server thru 1.1.1 allowing authenticated attackers to gain read and write access to the system via FilesManager.saveMultipart function in backend/src/applications/files/services/files-manager.se…
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.007 (48.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Sync-in Sync-in_server
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Product)
- cve@mitre.org (Product)
- cve@mitre.org (Release Notes)
Frequently asked questions
- What is CVE-2025-56869?
- CVE-2025-56869 is a medium-severity vulnerability in Sync-in Sync-in_server, classified under Path Traversal. CVSS score: 5.3/10. Published 2025-09-19.
- How severe is CVE-2025-56869?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2025-56869 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.