What is CVE-2025-11850?

CVE-2025-11850 is a medium-severity vulnerability in Wso2 Token Exchange Grant Type For Oauth, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-08-06.

How severe is CVE-2025-11850?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Wso2 Token Exchange Grant Type For Oauth

CVE-2025-11850

When secondary user stores are configured, the implicit-association resolver incorrectly initializes from a secondary user store and bypasses the primary user store during search and uniqueness checks. This allows a subject to be associate…

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L.

Affected products

Wso2 Token Exchange Grant Type For Oauth — versions 1.1.19
Wso2 Identity Server — versions 7.0.0, 7.1.0

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

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

Frequently asked questions

What is CVE-2025-11850?: CVE-2025-11850 is a medium-severity vulnerability in Wso2 Token Exchange Grant Type For Oauth, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-08-06.
How severe is CVE-2025-11850?: Medium severity. CVSS v3 base score is 4.3 out of 10.