# CVE-2026-5633: assafelovic gpt-researcher ws Endpoint server-side request forgery

> Remote attackers can exploit a server-side request forgery vulnerability in the gpt-researcher ws endpoint via the source_urls argument.

- **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:** 6 Apr 2026
- **Updated:** 6 Apr 2026
- **Also known as:** GHSA-8p84-j4x4-c993

## What is CVE-2026-5633?

CVE-2026-5633 is a medium-severity server-side request forgery vulnerability in assafelovic gpt-researcher, published on 6 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability was determined in assafelovic gpt-researcher up to 3.4.3. Affected is an unknown function of the component ws Endpoint. Executing a manipulation of the argument source_urls can lead to server-side request forgery. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. 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-2026-5633?


## How do I fix CVE-2026-5633?

No fix has been published for CVE-2026-5633 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-5633 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-5633 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-5633 and fix it if it is affected.

What it is: CVE-2026-5633 is a medium-severity server-side request forgery vulnerability in assafelovic gpt-researcher, published on 6 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-2026-5633 exists.

Affected product: assafelovic gpt-researcher. 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-2026-5633/ (Markdown: https://insights.sbomify.com/CVE-2026-5633/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-5633
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-5633
- OSV: https://osv.dev/vulnerability/CVE-2026-5633

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-5633/
Summaries are generated and may contain mistakes; the official description above is the record.