CVE-2026-5631 assafelovic CVE debrief

Who should care

Users of assafelovic gpt-researcher up to version 3.4.3 should be aware of this vulnerability and take necessary actions to protect their systems. This includes applying patches or upgrades, restricting access to the ws Endpoint component, and monitoring for suspicious activity on the system.

Technical summary

The vulnerability is caused by improper input validation in the extract_command_data function of the server_utils.py file. This allows an attacker to inject malicious code, potentially leading to unauthorized code execution. The CVSS score for this vulnerability is 5.5, indicating a medium severity level. The attack may be performed remotely. Users of assafelovic gpt-researcher up to version 3.4.3 should verify the affected scope and vendor guidance. The exploit has been disclosed to the public and may be used. To protect their systems, users should apply patches or upgrades, restrict access to the ws Endpoint component, and monitor for suspicious activity on the system.

Defensive priority

Medium priority should be given to patching this vulnerability, as it can be exploited remotely and has a medium severity score.

Recommended defensive actions

• Apply the patch or upgrade to a version of gpt-researcher that is not vulnerable
• Restrict access to the ws Endpoint component
• Monitor for suspicious activity on the system
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record was published on 2026-04-06T07:16:01.983Z and was last modified on 2026-07-24T09:10:00.153Z. The NVD entry is currently Deferred. The vulnerability affects the function extract_command_data in the file backend/server/server_utils.py of the ws Endpoint component. Users should verify the affected scope and vendor guidance. The exploit has been disclosed to the public and may be used.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.