---
title: "CVE-2026-51867: AgentGPT - Broken Access Control"
description: "AgentGPT 1.0.0 contains an incorrect access control vulnerability caused by lack of ownership or membership binding in next/src/server/api/routers/agentRouter.ts, letting external attackers access data without proper authorization, exploit requires external network access."
url: https://panop.io/threat-heartbeat/CVE-2026-51867/
---

# CVE-2026-51867 AgentGPT - Broken Access Control

AgentGPT 1.0.0 contains an incorrect access control vulnerability caused by lack of ownership or membership binding in next/src/server/api/routers/agentRouter.ts, letting external attackers access data without proper authorization, exploit requires external network access.

CVSS base score 9.8 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.27% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-51867)

## Details

Type

Broken Access Control

Impact

Information Disclosure, Data Tampering

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Published

30 September 2026

Updated

15 October 2026

Weakness

[CWE-284](https://cwe.mitre.org/data/definitions/284.html)

## Vendor fix

Update to the latest version with proper access control checks.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-51867](https://nvd.nist.gov/vuln/detail/CVE-2026-51867)
- [https://gist.github.com/Ro1ME/62547f81c244f273b66755dad63a8673](https://gist.github.com/Ro1ME/62547f81c244f273b66755dad63a8673)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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