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CVE-2026-120319— Sanluan PublicCMS publiccms-trade TradeRefundService.java TradeRefundService.updateAmound authorization

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.

在 Sanluan PublicCMS 4.x、5.x 和 6.x 版本中发现了一个安全漏洞。该漏洞影响 文件中 组件的 方法。通过操纵 参数，攻击者可绕过身份验证/授权机制。该攻击可远程发起，且利用代码（Exploit）已公开，可能被实际利用。尽管漏洞披露初期已联系厂商，但厂商未作任何回应。

CVSS 6.3 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-120319

Vulnerability Information
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Vulnerability Title
Sanluan PublicCMS publiccms-trade TradeRefundService.java TradeRefundService.updateAmound authorization
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Sanluan PublicCMS 4.x/5.x/6.x. This affects the function TradeRefundService.updateAmound of the file publiccms-parent/publiccms-trade/src/main/java/com/publiccms/logic/service/trade/TradeRefundService.java of the component publiccms-trade. Performing a manipulation of the argument refundId results in authorization bypass. The attack can be initiated remotely. The exploit has been made public and could be used. 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:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Sanluan PublicCMS 4.* cpe:2.3:a:publiccms:publiccms:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-120319

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-120319

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Vendor Advisories for CVE-2026-120319 (1)

Other References for CVE-2026-120319 (3)

IV. Related Vulnerabilities

Same product: PublicCMS
Same vendor: Sanluan
Same weakness: CWE-639