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CRITICAL

CVE-2026-51867

Incorrect Access Control in AgentGPT v1.0.0 Leading to Unauthorized Data Exposure

CVSS v3

9.8

CRITICAL

EPSS Score

0.2 %

exploit probability, as of 2026-10-01

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

agentgpt v.1.0.0 is vulnerable to Incorrect Access Control in next/src/server/api/routers/agentRouter.ts. An externally reachable path accepts a caller-selected object or tenant identifier and reaches a data-access operation without a visible owner, tenant, workspace, or membership binding on that object.

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2026-09-30
Last Modified
2026-10-02

Frequently asked questions

What is CVE-2026-51867?

agentgpt v.1.0.0 is vulnerable to Incorrect Access Control in next/src/server/api/routers/agentRouter.ts. An externally reachable path accepts a caller-selected object or tenant identifier and reaches a data-access operation without a visible owner, tenant, workspace, or membership binding on that object.

Is CVE-2026-51867 actively exploited?

Active exploitation of CVE-2026-51867 has not been confirmed. Its EPSS score was 0.2% on 2026-10-01, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-51867?

CVE-2026-51867 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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