CVE-2025-1862: identity server File Upload RCE — Fix

Description

An arbitrary file upload vulnerability exists in multiple WSO2 products due to improper validation of user-supplied filenames in the BPEL uploader SOAP service endpoint. A malicious actor with administrative privileges can upload arbitrary files to a user-controlled location on the server. By leveraging this vulnerability, an attacker can upload a specially crafted payload and achieve remote code execution (RCE), potentially compromising the server and its data.

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CVSS v3.1 Score

6.7

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L

Weakness Type (CWE)

CWE-434 Unrestricted Upload

Affected Products

Vendor	Product	Versions
wso2	enterprise_integrator	All
wso2	identity_server	All
wso2	identity_server	All
wso2	identity_server	All
wso2	identity_server	All
wso2	identity_server_as_key_manager	All
wso2	open_banking_iam	All

References

Advisories & Patches

https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2025/WSO2-2025-3992/

Frequently Asked Questions

What is CVE-2025-1862? +

An arbitrary file upload vulnerability exists in multiple WSO2 products due to improper validation of user-supplied filenames in the BPEL uploader SOAP service endpoint. A malicious actor with administrative privileges can upload arbitrary files to a user-controlled location on the server. By leveraging this vulnerability, an attacker can upload a specially crafted payload and achieve remote code execution (RCE), potentially compromising the server and its data. It has a CVSS v3.1 base score of 6.7 (MEDIUM).

How severe is CVE-2025-1862? +

CVE-2025-1862 has a CVSS v3.1 score of 6.7 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-1862? +

CVE-2025-1862 affects products from wso2, specifically: enterprise_integrator, identity_server, identity_server_as_key_manager, open_banking_iam. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-1862? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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