CVE-2026-1121 Yonyou KSOA HTTP GET Parameter del_workplan.jsp sql injection
Remote attackers can exploit SQL injection in Yonyou KSOA via the ID parameter to read or modify database contents.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-1121?
CVE-2026-1121 is a medium-severity SQL injection vulnerability in Yonyou KSOA, published on 18 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
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.
Which versions are affected by CVE-2026-1121?
It affects 1 product.
Products include Yonyou Ksoa.
How do I fix CVE-2026-1121?
No fix has been published for CVE-2026-1121 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-1121 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-1121 exists.
Other vulnerabilities in Yonyou KSOA
- CVE-2026-1129 Yonyou KSOA HTTP GET Parameter worksadd.jsp sql injection
- CVE-2026-1130 Yonyou KSOA HTTP GET Parameter worksadd_plan.jsp sql injection
- CVE-2026-1131 Yonyou KSOA HTTP GET Parameter save_catalog.jsp sql injection
- CVE-2026-1132 Yonyou KSOA HTTP GET Parameter edit_folder.jsp sql injection
- CVE-2026-1133 Yonyou KSOA HTTP GET Parameter folder.jsp sql injection
Sources
Also known as GHSA-x4w4-c97j-2px5.