Labring FastGPT Community Edition up to 4.14.0 Chat History getHistories data query logic injection

Summaryinfo

A vulnerability was found in Labring FastGPT Community Edition up to 4.14.0. It has been classified as critical. This affects an unknown part of the file /api/core/chat/getHistories of the component Chat History. This manipulation causes data query logic injection. This vulnerability is registered as CVE-2026-79483. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Labring FastGPT Community Edition up to 4.14.0. It has been declared as critical. Affected by this vulnerability is an unknown code block of the file /api/core/chat/getHistories of the component Chat History. The manipulation with an unknown input leads to a data query logic injection vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-79483 since 08/25/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/31/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• Labring

Name

• FastGPT Community Edition

Version

• 4.0
• 4.1
• 4.2
• 4.3
• 4.4
• 4.5
• 4.6
• 4.7
• 4.8
• 4.9
• 4.10
• 4.11
• 4.12
• 4.13
• 4.14.0

CPE 2.3info

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CPE 2.2info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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