Authenticated Arbitrary File Upload in Multiple WSO2 Products via CarbonAppUploader Admin Service Leading to Remote Code Execution

6.7 CVSS

Vulnerability Description

An arbitrary file upload vulnerability exists in multiple WSO2 products due to improper input validation in the CarbonAppUploader admin service endpoint. An authenticated attacker with appropriate privileges can upload a malicious file to a user-controlled location on the server, potentially leading to remote code execution (RCE). This functionality is restricted by default to admin users; therefore, successful exploitation requires valid credentials with administrative permissions.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Danh Nguyen (k4it0) from VIB Pentest Team

References

https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2025/WSO2-2025-3961/

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Affected Vendor

WSO2

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Affected Software

WSO2 Identity Server, WSO2 Enterprise Integrator, WSO2 Open Banking IAM, WSO2 Identity Server as Key Manager, WSO2 API Manager, WSO2 API Control Plane, WSO2 Universal Gateway, WSO2 Traffic Manager, org.wso2.carbon.commons:org.wso2.carbon.application.upload

Vulnerable Versions:

0, 5.10.0, 5.11.0, 6.0.0, 6.1.0, 7.0.0, 7.1.0, 6.6.0, 2.0.0, 3.2.0, 3.2.1, 4.0.0, 4.1.0, 4.2.0, 4.3.0, 4.4.0, 4.5.0, 4.6.0, 4.7.19, 4.7.32, 4.7.35, 4.7.39, 4.7.49, 4.7.52, 4.10.13, 4.9.12, 4.10.24