CVE-2026-124566
Deferred Deferred - Pending Action

Alipay Callback Handler Workflow Bypass in Fuint

Publication date: 2026-11-09

Last updated on: 2026-11-09

Assigner: VulDB

Description
A vulnerability was detected in fushengqian fuint up to 36cc31b08d77facc94e8959afa02224891b4fe5f. This vulnerability affects the function aliPayCallback of the file ClientPayController.java of the component Alipay Callback Handler. Performing a manipulation results in enforcement of behavioral workflow. The attack is possible to be carried out remotely. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. The vendor was contacted early about this disclosure but did not respond in any way.

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Meta Information

Published
2026-11-09
Last Modified
2026-11-09
Generated
2026-11-09
AI Q&A
2026-11-09
EPSS Evaluated
N/A
NVD
CVE-2026-124566
EUVD
EUVD-2026-119800

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
fushengqian fuint to 36cc31b08d77facc94e8959afa02224891b4fe5f (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-841 The product supports a session in which more than one behavior must be performed by an actor, but it does not properly ensure that the actor performs the behaviors in the required sequence.
CWE-840 Business Logic Errors

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Executive Summary

This vulnerability is in the Alipay Callback Handler component of fushengqian fuint. It allows remote attackers to manipulate the aliPayCallback function in ClientPayController.java, potentially altering the expected workflow behavior. The vendor did not respond to disclosure attempts.

Impact Analysis

An attacker could remotely exploit this to alter transaction processing or workflow enforcement, potentially leading to unauthorized actions or financial discrepancies. The impact depends on how the affected system is used in your environment.

Mitigation Strategies

Immediate mitigation steps include disabling the aliPayCallback function in ClientPayController.java if not required, applying input validation to prevent manipulation of the behavioral workflow, and monitoring network traffic for unusual Alipay callback patterns. Since the vendor did not respond, consider isolating affected systems or applying compensating controls until a patch is available.

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