Is CVE-2026-7644 actively exploited?

No active exploitation of CVE-2026-7644 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-7644 be exploited remotely?

Yes. CVE-2026-7644 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-7644?

CVE-2026-7644 has a CVSS score of 7.3 (HIGH).

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HIGH

CVE-2026-7644

CWE-266Published: May 2, 2026· Updated: May 5, 2026

7.3

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:12.1th

Official 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.

NVD Source

Technical Analysis

CVE-2026-7644 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.