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CVE-2026-1203— CRMEB JSON Token LoginServices.php remoteRegister improper authentication

Quick assessment

Affected
n/a 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.

CRMEB是CRMEB开源的一个 Java 商城系统。 CRMEB 5.6.3及之前版本存在授权问题漏洞，该漏洞源于对组件JSON Token Handler的文件crmeb/app/services/user/LoginServices.php中参数uid的错误操作，可能导致身份验证不当。

CVSS 5.6 · Medium EPSS 0.79% · P55

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-1203

Vulnerability Information
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Vulnerability Title
CRMEB JSON Token LoginServices.php remoteRegister improper authentication
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in CRMEB up to 5.6.3. The impacted element is the function remoteRegister of the file crmeb/app/services/user/LoginServices.php of the component JSON Token Handler. Executing a manipulation of the argument uid can lead to improper authentication. The attack may be performed from remote. The attack requires a high level of complexity. The exploitability is regarded as difficult. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
CRMEB 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CRMEB是CRMEB开源的一个 Java 商城系统。 CRMEB 5.6.3及之前版本存在授权问题漏洞，该漏洞源于对组件JSON Token Handler的文件crmeb/app/services/user/LoginServices.php中参数uid的错误操作，可能导致身份验证不当。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- CRMEB 5.6.0 cpe:2.3:a:crmeb:crmeb:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-1203

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III. Intelligence Information for CVE-2026-1203

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Proof of Concept for CVE-2026-1203 (1)

Same Patch Batch · n/a · 2026-01-20 · 20 CVEs total

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IV. Related Vulnerabilities

Same product: CRMEB
Same vendor: n/a
Same weakness: CWE-287

V. Comments for CVE-2026-1203

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