CVE-2026-79483

Unauthenticated NoSQL Injection Exposes All User Chat Histories in FastGPT Community Edition

Published Aug 31, 2026 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Unauthenticated NoSQL Injection Exposes All User Chat Histories in FastGPT Community Edition
Type Values Removed Values Added
Title NoSQL Injection Allows Unauthenticated Access to All Users’ Chat History in FastGPT
Weaknesses CWE-90
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-943
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}

Type Values Removed Values Added
First Time appeared Labring
Labring fastgpt
Vendors & Products Labring
Labring fastgpt
Type Values Removed Values Added
Title NoSQL Injection Allows Unauthenticated Access to All Users’ Chat History in FastGPT
Weaknesses CWE-90
Type Values Removed Values Added
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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Sep 1, 2026, 2:58 PM
Reserved
Aug 25, 2026, 12:00 AM
Status
Deferred
Published
Aug 31, 2026, 9:17 PM
Modified
Sep 1, 2026, 9:00 PM