CVE-2025-56869

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-09-19 · updated 2026-06-17
Weakness: CWE-22

Description

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.service.ts, and FilesManager.compress function in backend/src/applications/files/services/files-manager.service.ts.

Affected products

Sync-in server: through 1.1.1

References

https://github.com/Sync-in/server
https://github.com/Sync-in/server/releases/tag/v1.2.0
https://sync-in.com/

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