PT-2026-3395 · Yonyou · Yonyou Ksoa

Lx-66-Lx · Published 2026-01-18 · Updated 2026-02-09 · CVE-2026-1123

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Yonyou KSOA version 9.0

Description A flaw exists in Yonyou KSOA 9.0 related to the HTTP GET Parameter Handler. Specifically, manipulation of the ID parameter in a request to the file '/worksheet/work mod.jsp' can lead to SQL injection. This issue can be exploited remotely. The exploit is publicly available. The vendor was contacted regarding this disclosure but did not respond.

Recommendations Versions prior to 9.0 should be considered for upgrade. As a temporary workaround, restrict access to the file /worksheet/work mod.jsp. Avoid using the ID parameter in requests to the /worksheet/work mod.jsp file until the issue is resolved.

Exploit

Fix

SQL injection

Special Elements Injection

Weakness Enumeration

CWE-89

CWE-74

Related Identifiers

CVE-2026-1123

Affected Products

Yonyou Ksoa

References · 10

• 🔥 https://github.com/LX-66-LX/cve/issues/9 · Exploit
• https://osv.dev/vulnerability/CVE-2026-1123 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-1123 · Security Note
• https://t.me/cveNotify/151472 · Telegram Post
• https://twitter.com/cracbot/status/2014292014918242701 · Twitter Post
• https://twitter.com/CVEnew/status/2012911558498681015 · Twitter Post
• https://vuldb.com/?submit.734550 · Note
• https://vuldb.com/?id.341715 · Note
• https://vuldb.com/?ctiid.341715 · Note
• https://twitter.com/RedPacketSec/status/2012917652109377588 · Twitter Post