How severe is CVE-2026-1121?

CVE-2026-1121 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-1121 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-1121?

CVE-2026-1121 affects Yonyou Ksoa. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-1121?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-1121 have an EU (EUVD) identifier?

Yes. CVE-2026-1121 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3174.

When was CVE-2026-1121 published?

CVE-2026-1121 was published on 2026-01-18 and last updated on 2026-06-17.

CVE-2026-1121

CVE-2026-1121 is a high-severity vulnerability in Yonyou Ksoa with a CVSS 3.x base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-89.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
CVSS v4: 5.5
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-3174
Weakness: CWE-89
Affected product: Yonyou Ksoa
Published: 2026-01-18
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-1121?: 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.
How severe is CVE-2026-1121?: CVE-2026-1121 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-1121 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-1121?: CVE-2026-1121 affects Yonyou Ksoa. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-1121?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-1121 have an EU (EUVD) identifier?: Yes. CVE-2026-1121 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3174.
When was CVE-2026-1121 published?: CVE-2026-1121 was published on 2026-01-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:yonyou:ksoa:9.0:*:*:*:*:*:*:*

More vulnerabilities in Yonyou Ksoa

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