Privilege Escalation via System REST APIs in Multiple WSO2 Products Permits Admin Account Takeover
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-269.
Summary
Tokens issued to a low-privileged user are not sufficiently restricted, allowing them to be used to access product-level Admin REST APIs. 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. This requires the attacker to already possess a low-privileged user account and be able to obtain a valid token for it.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| WSO2 | WSO2 API Manager | 4.0.0 to before 4.0.0.384; 4.1.0 to before 4.1.0.248; 4.2.0 to before 4.2.0.188; 4.3.0 to before 4.3.0.99; 4.4.0 to before 4.4.0.63; 4.5.0 to before 4.5.0.48; 4.6.0 to before 4.6.0.12 | 4.0.0.384, 4.1.0.248, 4.2.0.188, 4.3.0.99, 4.4.0.63, 4.5.0.48, 4.6.0.12 | Patch available | CNA |
| WSO2 | WSO2 API Control Plane | 4.5.0 to before 4.5.0.49; 4.6.0 to before 4.6.0.13 | 4.5.0.49, 4.6.0.13 | Patch available | CNA |
| WSO2 | WSO2 Universal Gateway | 4.5.0 to before 4.5.0.48; 4.6.0 to before 4.6.0.12 | 4.5.0.48, 4.6.0.12 | Patch available | CNA |
| WSO2 | WSO2 Traffic Manager | 4.5.0 to before 4.5.0.47; 4.6.0 to before 4.6.0.12 | 4.5.0.47, 4.6.0.12 | Patch available | CNA |
| WSO2 | WSO2 Carbon API Manager Rest API Common Functions | 9.0.174 to before 9.0.174.550; 9.28.116 to before 9.28.116.404; 9.29.120 to before 9.29.120.221; 9.30.67 to before 9.30.67.146; 9.31.86 to before 9.31.86.130; 9.32.147 to before 9.32.147.26 | 9.0.174.550, 9.28.116.404, 9.29.120.221, 9.30.67.146, 9.31.86.130, 9.32.147.26, 9.33.27 | Patch available | CNA |
| WSO2 | WSO2 Carbon API Manager Rest API Utility | 9.20.74 to before 9.20.74.392 | 9.20.74.392, 9.33.27 | Patch available | CNA |
- WSO2 API Manager VendorWSO2 Affected 4.0.0 to before 4.0.0.384; 4.1.0 to before 4.1.0.248; 4.2.0 to before 4.2.0.188; 4.3.0 to before 4.3.0.99; 4.4.0 to before 4.4.0.63; 4.5.0 to before 4.5.0.48; 4.6.0 to before 4.6.0.12 Fixed in 4.0.0.384, 4.1.0.248, 4.2.0.188, 4.3.0.99, 4.4.0.63, 4.5.0.48, 4.6.0.12 Patch available CNA
- WSO2 API Control Plane VendorWSO2 Affected 4.5.0 to before 4.5.0.49; 4.6.0 to before 4.6.0.13 Fixed in 4.5.0.49, 4.6.0.13 Patch available CNA
- WSO2 Universal Gateway VendorWSO2 Affected 4.5.0 to before 4.5.0.48; 4.6.0 to before 4.6.0.12 Fixed in 4.5.0.48, 4.6.0.12 Patch available CNA
- WSO2 Traffic Manager VendorWSO2 Affected 4.5.0 to before 4.5.0.47; 4.6.0 to before 4.6.0.12 Fixed in 4.5.0.47, 4.6.0.12 Patch available CNA
- WSO2 Carbon API Manager Rest API Common Functions VendorWSO2 Affected 9.0.174 to before 9.0.174.550; 9.28.116 to before 9.28.116.404; 9.29.120 to before 9.29.120.221; 9.30.67 to before 9.30.67.146; 9.31.86 to before 9.31.86.130; 9.32.147 to before 9.32.147.26 Fixed in 9.0.174.550, 9.28.116.404, 9.29.120.221, 9.30.67.146, 9.31.86.130, 9.32.147.26, 9.33.27 Patch available CNA
- WSO2 Carbon API Manager Rest API Utility VendorWSO2 Affected 9.20.74 to before 9.20.74.392 Fixed in 9.20.74.392, 9.33.27 Patch available CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:wso2:api_control_plane:*:*:*:*:*:*:*:* | 4.5.0 to before 4.5.0.49; 4.6.0 to before 4.6.0.13 | Vulnerable | WSO2 |
| cpe:2.3:a:wso2:api_manager:*:*:*:*:*:*:*:* | 4.0.0 to before 4.0.0.384; 4.1.0 to before 4.1.0.248; 4.2.0 to before 4.2.0.188; 4.3.0 to before 4.3.0.99; 4.4.0 to before 4.4.0.63; 4.5.0 to before 4.5.0.48; 4.6.0 to before 4.6.0.12 | Vulnerable | WSO2 |
| cpe:2.3:a:wso2:traffic_manager:*:*:*:*:*:*:*:* | 4.5.0 to before 4.5.0.47; 4.6.0 to before 4.6.0.12 | Vulnerable | WSO2 |
| cpe:2.3:a:wso2:universal_gateway:*:*:*:*:*:*:*:* | 4.5.0 to before 4.5.0.48; 4.6.0 to before 4.6.0.12 | Vulnerable | WSO2 |
- cpe:2.3:a:wso2:api_control_plane:*:*:*:*:*:*:*:* Versions 4.5.0 to before 4.5.0.49; 4.6.0 to before 4.6.0.13 Vulnerable ·WSO2
- cpe:2.3:a:wso2:api_manager:*:*:*:*:*:*:*:* Versions 4.0.0 to before 4.0.0.384; 4.1.0 to before 4.1.0.248; 4.2.0 to before 4.2.0.188; 4.3.0 to before 4.3.0.99; 4.4.0 to before 4.4.0.63; 4.5.0 to before 4.5.0.48; 4.6.0 to before 4.6.0.12 Vulnerable ·WSO2
- cpe:2.3:a:wso2:traffic_manager:*:*:*:*:*:*:*:* Versions 4.5.0 to before 4.5.0.47; 4.6.0 to before 4.6.0.12 Vulnerable ·WSO2
- cpe:2.3:a:wso2:universal_gateway:*:*:*:*:*:*:*:* Versions 4.5.0 to before 4.5.0.48; 4.6.0 to before 4.6.0.12 Vulnerable ·WSO2
Remediation
- Fix · CNA WSO2 API Manager (WSO2) Fixed in 4.0.0.384, 4.1.0.248, 4.2.0.188, 4.3.0.99, 4.4.0.63, 4.5.0.48, 4.6.0.12
- Fix · CNA WSO2 API Control Plane (WSO2) Fixed in 4.5.0.49, 4.6.0.13
- Fix · CNA WSO2 Universal Gateway (WSO2) Fixed in 4.5.0.48, 4.6.0.12
- Fix · CNA WSO2 Traffic Manager (WSO2) Fixed in 4.5.0.47, 4.6.0.12
- Fix · CNA WSO2 Carbon API Manager Rest API Common Functions (WSO2) Fixed in 9.0.174.550, 9.28.116.404, 9.29.120.221, 9.30.67.146, 9.31.86.130, 9.32.147.26, 9.33.27
- Fix · CNA WSO2 Carbon API Manager Rest API Utility (WSO2) Fixed in 9.20.74.392, 9.33.27
Timeline
- 2026-10-02 Threatist record created from CVE-2026-1728
- 2026-10-03 Alias added: GHSA-88j3-cjwq-qqvv
References
More WSO2 Api Control Plane vulnerabilities
- TI-2026-04755 Authentication Bypass via JWT Algorithm Mismatch in Multiple WSO2 Products Allows Account Takeover KEVCVSS 3.1CRITICAL 10.0
- TI-2025-13722 Account Takeover via Conditional Authentication Script Logic in Multiple WSO2 Products CVSS 3.1CRITICAL 9.4
- TI-2025-09712 Potential Broken Access Control in Multiple WSO2 Products via System REST APIs CVSS 3.1CRITICAL 9.8
- TI-2025-08391 Improper Privilege Management in Multiple WSO2 API Manager via keymanager-operations DCR Endpoint CVSS 3.1CRITICAL 9.8
- TI-2025-08536 Improper Certificate-Based Authentication Enforcement in Multiple WSO2 Products CVSS 3.1CRITICAL 9.8
- TI-2026-03696 Denial of Service via Malicious JSON Payloads in Throttling Events in Multiple WSO2… CVSS 3.1HIGH 8.6
Sources
- CVE-2026-1728 · CVE Program
- CVE-2026-1728 · NVD
- FIRST EPSS
- GHSA-88j3-cjwq-qqvv · GitHub Advisory Database · CC BY 4.0
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