What is CVE-2025-13736?

CVE-2025-13736 is a low-severity vulnerability in Wso2 Api Manager, classified under Observable Discrepancy. CVSS score: 3.7/10. Published 2026-08-06.

How severe is CVE-2025-13736?

Low severity. CVSS v3 base score is 3.7 out of 10.

Vulnerability in Wso2 Api Manager

CVE-2025-13736

When Multi-Attribute Login is enabled, the login interface fails to consistently mask the existence of user accounts. For valid users, the server resolves and displays their canonical username, while for non-existent users, it echoes the o…

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Wso2 Api Manager — versions 0, 3.1.0, 3.2.0
Wso2 Identity Server — versions 0, 5.10.0, 5.11.0
Wso2 Identity Server As Key Manager — versions 0, 5.10.0
Wso2 Open Banking Am — versions 0, 2.0.0
Wso2 Open Banking Iam — versions 0, 2.0.0

Weakness classification (CWE)

CWE-203 — Observable Discrepancy

References

ed10eef1-636d-4fbe-9993-6890dfa878f8 (vendor-advisory)

Frequently asked questions

What is CVE-2025-13736?: CVE-2025-13736 is a low-severity vulnerability in Wso2 Api Manager, classified under Observable Discrepancy. CVSS score: 3.7/10. Published 2026-08-06.
How severe is CVE-2025-13736?: Low severity. CVSS v3 base score is 3.7 out of 10.