SQL Injection in Yonyou U8cloud
CVE-2026-94492
A security vulnerability has been detected in Yonyou U8cloud 5.x. This vulnerability affects unknown code of the file /u8cloud/openapi/so.saleorder.sendaudit of the component OpenAPI. The manipulation of the argument operator leads to sql injection. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.003 (24.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 24.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Yonyou U8cloud — versions 5.*
Weakness classification (CWE)
References
- vuldb.com/vuln/408192 (technical-description, vdb-entry)
- vuldb.com/vuln/408192/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-94492 (third-party-advisory)
- vuldb.com/submit/895368 (third-party-advisory)
- github.com/mjh134/--POC/blob/master/exploits/yonyou_u8cloud_so_saleorder_sendau… (exploit)
Frequently asked questions
- What is CVE-2026-94492?
- CVE-2026-94492 is a medium-severity vulnerability in Yonyou U8cloud, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-09-22.
- How severe is CVE-2026-94492?
- Medium severity. CVSS v3 base score is 6.3 out of 10.