# CVE-2026-74842: Kira-Pgr PromptShopMCP Image-Toolkit-MCP-Server server.py download_image server-side request forgery

> Remote attackers can exploit a server-side request forgery vulnerability in the download_image function to access internal resources.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 17 Aug 2026
- **Updated:** 18 Aug 2026
- **Also known as:** GHSA-644r-p44g-r6g9

## What is CVE-2026-74842?

CVE-2026-74842 is a medium-severity server-side request forgery vulnerability in Kira-Pgr PromptShopMCP, published on 17 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability was found in Kira-Pgr PromptShopMCP up to 5bc0cd17358e19a5415d11a531088170d7b81452. Affected is the function download_image of the file server.py of the component Image-Toolkit-MCP-Server. Performing a manipulation of the argument image_url results in server-side request forgery. The attack may be initiated remotely. The exploit has been made public and could be used. This product uses a rolling release model to deliver continuous updates. As a result, specific version information for affected or updated releases is not available. 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-2026-74842?


## How do I fix CVE-2026-74842?

No fix has been published for CVE-2026-74842 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-74842 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-74842 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-74842 and fix it if it is affected.

What it is: CVE-2026-74842 is a medium-severity server-side request forgery vulnerability in Kira-Pgr PromptShopMCP, published on 17 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-74842 exists.

Affected product: Kira-Pgr PromptShopMCP. 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-2026-74842/ (Markdown: https://insights.sbomify.com/CVE-2026-74842/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-74842
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-74842
- OSV: https://osv.dev/vulnerability/CVE-2026-74842

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-74842/
Summaries are generated and may contain mistakes; the official description above is the record.