CVE-2026-85040— ZhongBangKeJi CRMEB Custom Scheduled Task Feature save eval os command injection
Quick assessment
Affected
ZhongBangKeJi CRMEB
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
在中邦科技（ZhongBangKeJi）的 CRMEB 系统（6.0.0 及更早版本）中发现了一个安全弱点。受影响的组件是“自定义定时任务”功能中 接口里的 函数。由于对参数 的处理不当，导致发生操作系统命令注入（OS Command Injection）。该漏洞可被远程利用，且漏洞利用代码（exploit）已公开，可被攻击者利用。厂商将此问题记录为“仅用于调试的有意行为”，但 黑名单机制未能提供有效的远程代码执行（RCE）防护。
Possible ATT&CK Techniques 3 AI
T1190 · Exploit Public-Facing Application T1059 · Command and Scripting Interpreter T1059.004 · Unix Shell
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I. Basic Information for CVE-2026-85040
Vulnerability Information
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Vulnerability Title
ZhongBangKeJi CRMEB Custom Scheduled Task Feature save eval os command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in ZhongBangKeJi CRMEB up to 6.0.0. Affected by this vulnerability is the function eval of the file /adminapi/system/crontab/save of the component Custom Scheduled Task Feature. This manipulation of the argument customCode causes os command injection. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. Vendor documents this as deliberate debug-only behavior. But isSafePhpCode blacklist offers no real RCE containment.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| ZhongBangKeJi | CRMEB | 6.0 |
cpe:2.3:a:crmeb:crmeb:*:*:*:*:*:*:*:*
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II. Public POCs for CVE-2026-85040
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-85040 (1)
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🔗 CVE-2026-85040 ZhongBangKeJi CRMEB Custom Scheduled Task Feature save eval os command injection Read full article vdb-entry technical-description
Other References for CVE-2026-85040 (3)
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CVE-2026-85040 in CRMEB third-party-advisory
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Submit #887316: ZhongBangKeJi CRMEB unknown OS Command Injection third-party-advisory
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V. Comments for CVE-2026-85040
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