Jinher OA CVE-2026-7670

No vendor-released patch identified at time of analysis - Jinher did not respond to vulnerability disclosure per VulDB report. Primary mitigation: implement web application firewall (WAF) rules to block SQL injection patterns in the DeptIDList parameter, specifically targeting common SQLi payloads (UNION, SELECT, OR 1=1, comment sequences). WAF deployment adds latency and requires tuning to avoid false positives on legitimate department ID lists. Secondary mitigation: restrict network access to UserSel.aspx to authenticated internal users only via reverse proxy or authentication gateway, reducing attack surface from AV:N to internal-only. This prevents external exploitation but does not address insider threat scenarios. Tertiary option: disable the /C6/JHSoft.Web.PlanSummarize/ module entirely if plan summarization features are non-critical to business operations; verify impact on dependent workflows before implementation. Database-level hardening: ensure the database account used by Jinher OA has minimal privileges (read-only where possible, no xp_cmdshell or file system access on SQL Server). Monitor database query logs for suspicious patterns in queries involving DeptIDList. For long-term risk reduction, consider migrating to alternative OA platforms with active security support, as vendor unresponsiveness suggests lack of ongoing maintenance. Reference the exploit code at https://github.com/zzlln/cvecve/issues/1 to understand attack patterns for detection rule development.