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

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-01-18 · updated 2026-06-17
Weakness: CWE-74

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

Yonyou KSOA: 9.0

References

https://github.com/LX-66-LX/cve/issues/7
https://vuldb.com/?ctiid.341713
https://vuldb.com/?id.341713
https://vuldb.com/?submit.734548

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