# CVE-2026-5001: PromtEngineer localGPT server.py do_POST unrestricted upload

> Remote attackers can upload arbitrary files via the do_POST function in localGPT, potentially leading to code execution or privilege escalation.

- **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 Mar 2026
- **Updated:** 30 Mar 2026
- **Also known as:** GHSA-m73g-4qvw-9rwm

## What is CVE-2026-5001?

CVE-2026-5001 is a medium-severity vulnerability in PromtEngineer localGPT, published on 28 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A flaw has been found in PromtEngineer localGPT up to 4d41c7d1713b16b216d8e062e51a5dd88b20b054. The affected element is the function do_POST of the file backend/server.py. This manipulation causes unrestricted upload. The attack is possible to be carried out remotely. The exploit has been published and may be used. 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.

Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type), CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2026-5001?


## How do I fix CVE-2026-5001?

No fix has been published for CVE-2026-5001 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-5001 being exploited?

There is no known exploitation of CVE-2026-5001 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-5001 and fix it if it is affected.

What it is: CVE-2026-5001 is a medium-severity vulnerability in PromtEngineer localGPT, published on 28 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-5001 in the wild and no public exploit code.

Affected product: PromtEngineer localGPT. 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-2026-5001/ (Markdown: https://insights.sbomify.com/CVE-2026-5001/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-5001
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-5001
- OSV: https://osv.dev/vulnerability/CVE-2026-5001

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-5001/
Summaries are generated and may contain mistakes; the official description above is the record.