# CVE-2026-94492: Yonyou U8cloud SQL injection in OpenAPI so.saleorder.sendaudit

Source: https://junglewise.ai/threats/cve-2026-94492-a-security-vulnerability-has-been-detected-in-yonyou-u8cloud-5-x  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-22. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-94492 · Severity: medium · CVSS 6.3 · Published 2026-09-22

Yonyou U8cloud is an enterprise cloud ERP platform used by mid-market and large organizations to manage finance, supply chain, sales, and collaboration. A SQL injection vulnerability in the /u8cloud/openapi/so.saleorder.sendaudit endpoint allows remote attackers to extract sensitive data from the database, potentially exposing customer, financial, and operational information without authentication.

Vendors: [Yonyou](https://junglewise.ai/threats/vendors/yonyou).

## Quick answers

**Is CVE-2026-94492 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-94492 being exploited in the wild.

**How severe is CVE-2026-94492?** Medium severity, with a CVSS score of 6.3, published 22 September 2026.

**Which products and versions are affected?** Yonyou U8cloud 5.x.

**Is there a fix for CVE-2026-94492?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-94492 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-94492?** Check whether you run Yonyou U8cloud at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The OpenAPI endpoint /u8cloud/openapi/so.saleorder.sendaudit fails to properly sanitize the "operator" parameter, allowing SQL injection attacks via POST requests. An unauthenticated attacker can exploit this network-accessible endpoint to execute arbitrary SQL queries and retrieve sensitive database contents. The vulnerability has been publicly disclosed with functional exploit code available.

## Affected products

- Yonyou U8cloud 5.x

## Timeline

- 2026-07-14: disclosed: Exploit published publicly on GitHub
- 2026-09-22: advisory: NVD entry published

## References

- [https://github.com/mjh134/--POC/blob/master/exploits/yonyou_u8cloud_so_saleorder_sendaudit_sqli.go](https://github.com/mjh134/--POC/blob/master/exploits/yonyou_u8cloud_so_saleorder_sendaudit_sqli.go)
- [https://vuldb.com/cve/CVE-2026-94492](https://vuldb.com/cve/CVE-2026-94492)