CVE-2026-13635 — MEDIUM (5.3)

Vulnerability Description

An improper encoding or escaping of output vulnerability in Auth API in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote attackers to obtain non-sensitive information.

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

Related Weaknesses (CWE)

CWE-116

References

https://www.synology.com/en-global/security/advisory/Synology_SA_26_13

FAQ

What is CVE-2026-13635?

CVE-2026-13635 is a vulnerability with a CVSS score of 5.3 (MEDIUM). An improper encoding or escaping of output vulnerability in Auth API in Synology DiskStation Manager (DSM) before 7.2.1-69057-12, 7.2.2-72806-9, 7.3.2-86009-4 and 7.4-90075 allows remote attackers to ...

How severe is CVE-2026-13635?

CVE-2026-13635 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-2026-13635?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.