CVE-2025-1862 File upload in WSO2 Enterprise Integrator

Medium 6.7 Published 26 Sep 2025 Updated 26 Feb 2026

Administrators can upload arbitrary files via the BPEL uploader SOAP service, leading to remote code execution on WSO2 servers.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-1862?

CVE-2025-1862 is a medium-severity vulnerability in Wso2 Identity Server, published on 26 Sep 2025. An attacker needs administrator access to exploit it, with no action from the victim.

Official 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.

Weakness: CWE-434

Which versions are affected by CVE-2025-1862?

It affects 4 products.

Products include Wso2 Enterprise Integrator, Wso2 Identity Server, Wso2 Identity Server as Key Manager, Wso2 Open Banking Iam.

How do I fix CVE-2025-1862?

No fix has been published for CVE-2025-1862 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-1862 being exploited?

There is no known exploitation of CVE-2025-1862 in the wild and no public exploit code.

All Wso2 Identity Server vulnerabilities

Sources

Also known as GHSA-hwxg-x5fm-7m92.