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CVE-2026-6796— Sanluan PublicCMS Failed Login LoginAdminController.java log_login cleartext storage in file

Quick assessment

Affected
Sanluan PublicCMS
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.

PublicCMS是中国PublicCMS公司的一套使用Java语言编写的开源内容管理系统（CMS）。 PublicCMS 6.202506.d及之前版本存在安全漏洞，该漏洞源于对文件core/src/main/java/com/publiccms/controller/admin/LoginAdminController.java中Failed Login Handler组件函数log_login的参数errorPassword的错误操作，可能导致明文存储。

CVSS 4.3 · Medium EPSS 0.23% · P13

Possible ATT&CK Techniques 1 AI

T1552 · Unsecured Credentials
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I. Basic Information for CVE-2026-6796

Vulnerability Information
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Vulnerability Title
Sanluan PublicCMS Failed Login LoginAdminController.java log_login cleartext storage in file
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in Sanluan PublicCMS up to 6.202506.d. Affected is the function log_login of the file core/src/main/java/com/publiccms/controller/admin/LoginAdminController.java of the component Failed Login Handler. This manipulation of the argument errorPassword causes cleartext storage in a file or on disk. It is possible to initiate the attack remotely. 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:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在文件或磁盘上的明文存储
Source: CVE Program / CVE List V5
Vulnerability Title
PublicCMS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PublicCMS是中国PublicCMS公司的一套使用Java语言编写的开源内容管理系统（CMS）。 PublicCMS 6.202506.d及之前版本存在安全漏洞，该漏洞源于对文件core/src/main/java/com/publiccms/controller/admin/LoginAdminController.java中Failed Login Handler组件函数log_login的参数errorPassword的错误操作，可能导致明文存储。
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
Sanluan PublicCMS 6.202506.a cpe:2.3:a:publiccms:publiccms:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-6796

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III. Intelligence Information for CVE-2026-6796

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IV. Related Vulnerabilities

Same product: PublicCMS
Same vendor: Sanluan
Same weakness: CWE-313

V. Comments for CVE-2026-6796

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