CVE-2026-79483

Deferred Deferred - Pending Action

NoSQL Injection in FastGPT Community Edition

Publication date: 2026-08-31

Last updated on: 2026-09-01

Assigner: MITRE

Description

FastGPT Community Edition 4.10.0 through 4.14.0 are vulnerable to a NoSQL injection in the POST /api/core/chat/getHistories endpoint. An unauthenticated attacker can inject malicious NoSQL operators via crafted JSON payloads to bypass authorization checks, resulting in unauthorized access to chat history titles of all users across the platform.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-08-31

Last Modified

2026-09-01

Generated

2026-09-21

AI Q&A

2026-09-01

EPSS Evaluated

2026-09-15

NVD

CVE-2026-79483

Affected Vendors & Products

Vendor	Product	Version / Range
fastgpt	community_edition	From 4.10.0 (inc) to 4.14.0 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-943	The product generates a query intended to access or manipulate data in a data store such as a database, but it does not neutralize or incorrectly neutralizes special elements that can modify the intended logic of the query.

Attack-Flow Graph

Executive Summary

FastGPT Community Edition versions 4.10.0 to 4.14.0 have a NoSQL injection flaw in the POST /api/core/chat/getHistories endpoint. An attacker can send specially crafted JSON payloads to bypass authentication and access chat history titles of all users without permission.

Detection Guidance

To detect this NoSQL injection vulnerability in FastGPT Community Edition 4.10.0 through 4.14.0, inspect network traffic for POST requests to /api/core/chat/getHistories with JSON payloads containing NoSQL operators like $ne, $gt, or $where. Check server logs for unusual access patterns or unauthorized retrieval of chat history titles.

Impact Analysis

If you use FastGPT Community Edition 4.10.0 through 4.14.0, an attacker could steal sensitive chat history titles from all users, potentially exposing private conversations or sensitive data.

Compliance Impact

This vulnerability could lead to unauthorized access to user data, violating GDPR (data protection) and HIPAA (health information privacy) by exposing sensitive information without consent.

Mitigation Strategies

Immediately upgrade FastGPT to a version beyond 4.14.0 if available. If not, apply input validation to sanitize JSON payloads for NoSQL operators. Restrict access to the /api/core/chat/getHistories endpoint and implement authentication checks. Monitor for suspicious activity and consider temporary network isolation.

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