CVE-2026-7644

MEDIUM EPSS 22.5%
Published May 2, 20261mo ago · Modified Jun 17, 20261w ago
5.5 CVSS 4.0
Medium
Find Similar
Published May 2, 2026 1mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
5.5
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
22.5% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-266
CWE-285

References 5

  • github.com https://github.com/ChatGPTNextWeb/NextChat/
  • github.com https://github.com/ChatGPTNextWeb/NextChat/issues/6757
  • vuldb.com https://vuldb.com/submit/806851
  • vuldb.com https://vuldb.com/vuln/360756
  • vuldb.com https://vuldb.com/vuln/360756/cti

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.