PT-2026-3390 · Yonyou · Yonyou Ksoa

Lx-66-Lx · Published 2026-01-18 · Updated 2026-02-09 · CVE-2026-1122

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, the manipulation of the ID parameter in a request to the '/worksheet/work info.jsp' file can lead to a SQL injection condition. This issue can be exploited remotely. The exploit for this issue has been publicly disclosed.

Recommendations Versions prior to 9.0 should be used.

Exploit

Fix

SQL injection

Special Elements Injection

Weakness Enumeration

CWE-89

CWE-74

Related Identifiers

CVE-2026-1122

Affected Products

Yonyou Ksoa

References · 10

• 🔥 https://github.com/LX-66-LX/cve/issues/8 · Exploit
• https://osv.dev/vulnerability/CVE-2026-1122 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-1122 · Security Note
• https://vuldb.com/?ctiid.341714 · Note
• https://vuldb.com/?id.341714 · Note
• https://t.me/cveNotify/151471 · Telegram Post
• https://twitter.com/cracbot/status/2014292013194371171 · Twitter Post
• https://vuldb.com/?submit.734549 · Note
• https://twitter.com/CVEnew/status/2012896633567285375 · Twitter Post
• https://twitter.com/RedPacketSec/status/2012917650813325377 · Twitter Post