CVE-2026-41161 — MEDIUM (5.3)

Q: How severe is CVE-2026-41161?

CVE-2026-41161 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-41161?

Check the references section above for vendor advisories and patch information. Affected products include: Sync-In Sync-In Server.

Vulnerability Description

Sync-in Server is a secure, open-source platform for file storage, sharing, collaboration, and syncing. Prior to version 2.2.0, the /api/auth/login endpoint contains a logic flaw that allows unauthenticated remote attackers to enumerate valid usernames by measuring the application's response time. This issue has been patched in version 2.2.0.

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Sync-In	Sync-In Server	< 2.2.0

Related Weaknesses (CWE)

CWE-208

References

https://github.com/Sync-in/server/releases/tag/v2.2.0PatchProduct
https://github.com/Sync-in/server/security/advisories/GHSA-43fj-qp3h-hrh5Vendor Advisory
https://github.com/Sync-in/server/security/advisories/GHSA-43fj-qp3h-hrh5Vendor Advisory

FAQ

What is CVE-2026-41161?

CVE-2026-41161 is a vulnerability with a CVSS score of 5.3 (MEDIUM). Sync-in Server is a secure, open-source platform for file storage, sharing, collaboration, and syncing. Prior to version 2.2.0, the /api/auth/login endpoint contains a logic flaw that allows unauthent...

How severe is CVE-2026-41161?

CVE-2026-41161 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-41161?

Check the references section above for vendor advisories and patch information. Affected products include: Sync-In Sync-In Server.