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CVE-2026-7644

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CVE-2026-7644

Published: May 2, 2026

Modified: May 4, 2026

PUBLISHED

CVSS v3.1

7.3

HIGH

Description

A vulnerability has been found in ChatGPTNextWeb NextChat up to 2.16.1. Affected is the function addMcpServer of the file app/mcp/actions.ts. The manipulation leads to improper authorization. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

VendorProductVersions

ChatGPTNextWeb

NextChat

affected
2.16.0
affected
2.16.1

Weaknesses (CWE)

CWE-285
CWE-266

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

References

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