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VULNERABILITIES

CVE-2026-40252 Details

Description

FastGPT is an AI Agent building platform. Prior to 4.14.10.4, Broken Access Control vulnerability (IDOR/BOLA) allows any authenticated team to access and execute applications belonging to other teams by supplying a foreign appId. While the API correctly validates the team token, it does not verify that the requested application belongs to the authenticated team. This leads to cross-tenant data exposure and unauthorized execution of private AI workflows. This vulnerability is fixed in 4.14.10.4.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.1 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/labring/FastGPT/releases/tag/v4.14.10.4 [email protected]Release Notes
https://github.com/labring/FastGPT/security/advisories/GHSA-gc8m-w37w-24hw [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-284Improper Access Control[email protected]
CWE-639Authorization Bypass Through User-Controlled Key[email protected]

Affected Products

ProductVersions
fastgpt fastgpt
< 4.14.10.4

CPE

  • cpe:2.3:a:fastgpt:fastgpt:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-40252
NVD Published Date:
Apr 10, 2026
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2026-40252 Details - Not Deferred