CVE-2026-120319
Deferred Deferred - Pending Action

Authorization Bypass in PublicCMS TradeRefundService

Vulnerability report for CVE-2026-120319, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-11-02

Last updated on: 2026-11-02

Assigner: VulDB

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.

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Meta Information

Published
2026-11-02
Last Modified
2026-11-02
Generated
2026-11-02
AI Q&A
2026-11-02
EPSS Evaluated
N/A
NVD

Affected Vendors & Products

Showing 3 associated CPEs

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-639 The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.
CWE-285 The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

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Executive Summary

This vulnerability affects Sanluan PublicCMS versions 4.x, 5.x, and 6.x. It is located in the TradeRefundService.updateAmound function within the publiccms-trade component. The issue allows an attacker to bypass authorization by manipulating the refundId argument. The exploit can be executed remotely and has been publicly disclosed.

Impact Analysis

An attacker could exploit this to perform unauthorized refund operations by manipulating the refundId parameter. This could lead to financial losses or fraudulent transactions if the system processes refunds without proper validation. The remote nature of the attack increases the risk of exploitation.

Mitigation Strategies

Immediately update PublicCMS to the latest patched version if available. If no patch exists, restrict network access to the TradeRefundService.updateAmound function and review authorization mechanisms for the refundId parameter. Monitor for unusual refund transactions or unauthorized access attempts.

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