# CVE-2026-108784: macrozheng mall Payment Endpoint AlipayServiceImpl.java AlipayServiceImpl.pay logic error

> Attackers can manipulate payment amounts in macrozheng mall, leading to financial loss or unauthorized transactions.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 12 Oct 2026
- **Updated:** 14 Oct 2026
- **Also known as:** GHSA-wjhm-7w3j-9428

## What is CVE-2026-108784?

CVE-2026-108784 is a medium-severity vulnerability in macrozheng mall, published on 12 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability was detected in macrozheng mall up to 1.0.3. This vulnerability affects the function AlipayServiceImpl.pay of the file com/macro/mall/portal/service/impl/AlipayServiceImpl.java of the component Payment Endpoint. The manipulation of the argument total_amount results in business logic errors. The attack can be launched remotely. The exploit is now public and may be used. The patch is identified as dcaa93b3150352e5044708d7211b5bed0af4509f. A patch should be applied to remediate this issue.

Weakness: CWE-840

## Which versions are affected by CVE-2026-108784?


## How do I fix CVE-2026-108784?

No fix has been published for CVE-2026-108784 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-108784 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108784 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-108784 and fix it if it is affected.

What it is: CVE-2026-108784 is a medium-severity vulnerability in macrozheng mall, published on 12 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108784 exists.

Affected product: macrozheng mall. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-108784/ (Markdown: https://insights.sbomify.com/CVE-2026-108784/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-108784
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-108784
- OSV: https://osv.dev/vulnerability/CVE-2026-108784

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-108784/
Summaries are generated and may contain mistakes; the official description above is the record.