CVE-2026-7644

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Source

https://cve.org/CVERecord?id=CVE-2026-7644

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-7644.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-7644

Published

2026-05-02T15:00:13.502Z

Modified

2026-07-08T08:14:19.196471587Z

Severity

5.5 (Medium) CVSS_V4 - 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 CVSS Calculator

Summary

ChatGPTNextWeb NextChat actions.ts addMcpServer improper authorization

Details

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.

Database specific

{
    "cna_assigner": "VulDB",
    "cwe_ids": [
        "CWE-266",
        "CWE-285"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/7xxx/CVE-2026-7644.json"
}

References

Affected packages

Git / github.com/chatgptnextweb/nextchat

Affected ranges

Type

GIT

Repo

https://github.com/chatgptnextweb/nextchat

Events

Introduced

377480b448798488db5ef03f4d5c44d2d930693c

Last affected

557a2cce357749c6fb3176d42e03ff6f7de4d355

Database specific

{
    "extracted_events": [
        {
            "introduced": "2.16.0"
        },
        {
            "last_affected": "2.16.0"
        },
        {
            "introduced": "2.16.1"
        },
        {
            "last_affected": "2.16.1"
        }
    ],
    "source": "AFFECTED_FIELD"
}

Affected versions

2.*

2.16.0

2.16.1

v2.*

v2.16.0

v2.16.1

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-7644.json"