CVE-2026-121583— Sanluan PublicCMS TradePaymentService.java TradePaymentService.pendingRefund 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 5 中发现一个安全漏洞。该漏洞位于文件中的函数。攻击者可通过操纵参数绕过授权机制。此攻击可远程实施。相关利用代码已在公开渠道发布，可能被恶意利用。自 202608 系列版本（提交哈希：7329437）起，已移除 Web 交易支付控制器以修复该问题。

CVSS 6.3 · Medium Updated Nov 04, 2026

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

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Vulnerability Information

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Vulnerability Title

Sanluan PublicCMS TradePaymentService.java TradePaymentService.pendingRefund authorization

Source: CVE Program / CVE List V5

Vulnerability Description

A vulnerability was identified in Sanluan PublicCMS 5. This affects the function TradePaymentService.pendingRefund of the file publiccms-parent/publiccms-trade/src/main/java/com/publiccms/logic/service/trade/TradePaymentService.java. The manipulation of the argument userId leads to authorization bypass. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. The web trade payment controller was removed starting with the 202608 series (commit 7329437).

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	5	`cpe:2.3:a:publiccms:publiccms::::::::`

II. Public POCs for CVE-2026-121583

#	POC Description	Source Link	Shenlong Link

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III. Intelligence Information for CVE-2026-121583

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Other References for CVE-2026-121583 (4)

https://vuldb.com/cve/CVE-2026-121583 third-party-advisory
https://vuldb.com/vuln/430428/cti signature permissions-required
https://vuldb.com/submit/1020265 third-party-advisory
https://vuldb.com/vuln/430428 vdb-entry technical-description

https://www.cve.org/CVERecord?id=CVE-2026-121583

IV. Related Vulnerabilities

Same product: PublicCMS

Same vendor: Sanluan

Same weakness: CWE-639