# CVE-2026-7223: BigSweetPotatoStudio HyperChat AI Proxy Middleware aiProxyMiddleware.mts fetch server-side request forgery

> Remote attackers can exploit a server-side request forgery vulnerability in the HyperChat AI Proxy Middleware to access internal resources.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/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:** 28 Apr 2026
- **Updated:** 28 Apr 2026
- **Also known as:** GHSA-r2jq-4h3x-rfj6

## What is CVE-2026-7223?

CVE-2026-7223 is a medium-severity server-side request forgery vulnerability in BigSweetPotatoStudio HyperChat, published on 28 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability was identified in BigSweetPotatoStudio HyperChat up to 2.0.0-alpha.63. Affected by this issue is the function fetch of the file packages/core/src/http/aiProxyMiddleware.mts of the component AI Proxy Middleware. Such manipulation of the argument baseurl leads to server-side request forgery. The attack can be launched remotely. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.

Weakness: CWE-918 (Server-Side Request Forgery)

## Which versions are affected by CVE-2026-7223?

2 open source packages ship an affected version, including @dadigua/hyperchat.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `@dadigua/hyperchat` | npm | All versions to 2.0.0-alpha.63 | None |
| `@dadigua/hyperchat` | npm | All versions to 2.0.0-alpha.63 | None |

## How do I fix CVE-2026-7223?

No fix has been published for CVE-2026-7223 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-7223 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7223 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-7223 and fix it if it is affected.

What it is: CVE-2026-7223 is a medium-severity server-side request forgery vulnerability in BigSweetPotatoStudio HyperChat, published on 28 Apr 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-2026-7223 exists.

Affected packages and fixed versions:
- @dadigua/hyperchat (npm): affected all versions up to 2.0.0-alpha.63; no fix listed
- @dadigua/hyperchat (npm): affected all versions up to 2.0.0-alpha.63; no fix listed

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-2026-7223/ (Markdown: https://insights.sbomify.com/CVE-2026-7223/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-7223
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-7223
- OSV: https://osv.dev/vulnerability/CVE-2026-7223

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-7223/
Summaries are generated and may contain mistakes; the official description above is the record.