How severe is CVE-2026-1131?

CVE-2026-1131 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-2026-1131 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-1131?

CVE-2026-1131 affects Yonyou Ksoa. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-1131?

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-2026-1131 have an EU (EUVD) identifier?

Yes. CVE-2026-1131 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3249.

When was CVE-2026-1131 published?

CVE-2026-1131 was published on 2026-01-19 and last updated on 2026-06-17.

CVE-2026-1131

CVE-2026-1131 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: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-3249
Weakness: CWE-89
Affected product: Yonyou Ksoa
Published: 2026-01-19
Last modified: 2026-06-17

Description

A vulnerability has been found in Yonyou KSOA 9.0. Impacted is an unknown function of the file /kmc/save_catalog.jsp of the component HTTP GET Parameter Handler. Such manipulation of the argument catalogid leads to sql injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2026-1131?: A vulnerability has been found in Yonyou KSOA 9.0. Impacted is an unknown function of the file /kmc/save_catalog.jsp of the component HTTP GET Parameter Handler. Such manipulation of the argument catalogid leads to sql injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2026-1131?: CVE-2026-1131 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-2026-1131 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-1131?: CVE-2026-1131 affects Yonyou Ksoa. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-1131?: 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-2026-1131 have an EU (EUVD) identifier?: Yes. CVE-2026-1131 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3249.
When was CVE-2026-1131 published?: CVE-2026-1131 was published on 2026-01-19 and last updated on 2026-06-17.

References

Affected products (1)

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

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