Vulnerability · Published Jan 18, 2026 · Assigned by VulDB

CVE-2026-1121Yonyou KSOA HTTP GET Parameter del_workplan.jsp sql injection

High 7.3

In plain English

A high-severity SQL injection in KSOA from Yonyou. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).

Severity (CVSS 3.1)7.3High

Exploit odds (30 days)0.5%top 57.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was found in Yonyou KSOA 9.0. This affects an unknown function of the file /worksheet/del_workplan.jsp of the component HTTP GET Parameter Handler. The manipulation of the argument ID results in sql injection. The attack can be launched remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
Yonyou	KSOA	9.0

Weakness: CWE-89, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-341713 | Yonyou KSOA HTTP GET Parameter del_workplan.jsp sql injection vdb-entry, technical-description
VDB-341713 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #734548 | Yonyou KSOA v9.0 SQL Injection third-party-advisory
https://github.com/LX-66-LX/cve/issues/7 exploit, issue-tracking