Security Advisory WSO2-2026-5077/CVE-2026-1728¶
Published: 2026-05-03
Version: 1.0.0
Severity: Critical
CVSS Score: 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
CVE IDs: CVE-2026-1728
AFFECTED PRODUCTS¶
- WSO2 API Control Plane: 4.6.0, 4.5.0
- WSO2 API Manager: 4.6.0, 4.5.0, 4.4.0, 4.3.0, 4.2.0, 4.1.0, 4.0.0
- WSO2 Traffic Manager: 4.6.0, 4.5.0
- WSO2 Universal Gateway: 4.6.0, 4.5.0
OVERVIEW¶
Privilege escalation vulnerability in System REST APIs.
DESCRIPTION¶
Tokens issued to a low-privileged user can be used to access product-level Admin REST APIs, which leads to elevating the user privileges.
IMPACT¶
Exploitation of this vulnerability allows a low-privileged user to invoke the Admin REST APIs of WSO2 products, potentially leading to full administrative account takeover.
SOLUTION¶
Community Users (Open Source)¶
Apply the relevant fixes to your product using the public fix(es) provided below.
If applying the fix or update is not feasible, migrate to the latest unaffected version of the respective WSO2 product(s).
Support Subscription Holders¶
Update your product to the specified update level, or to a higher update level, to mitigate the identified vulnerability.
Info
WSO2 Support Subscription Holders may use WSO2 Updates in order to apply the fix.
| Product Name | Product Version | Update Level |
|---|---|---|
| WSO2 API Control Plane | 4.6.0 | 13 |
| WSO2 API Control Plane | 4.5.0 | 49 |
| WSO2 API Manager | 4.6.0 | 12 |
| WSO2 API Manager | 4.5.0 | 48 |
| WSO2 API Manager | 4.4.0 | 63 |
| WSO2 API Manager | 4.3.0 | 99 |
| WSO2 API Manager | 4.2.0 | 188 |
| WSO2 API Manager | 4.1.0 | 248 |
| WSO2 API Manager | 4.0.0 | 384 |
| WSO2 Traffic Manager | 4.6.0 | 12 |
| WSO2 Traffic Manager | 4.5.0 | 47 |
| WSO2 Universal Gateway | 4.6.0 | 12 |
| WSO2 Universal Gateway | 4.5.0 | 48 |