Is CVE-2026-7643 actively exploited?

No active exploitation of CVE-2026-7643 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-7643 be exploited remotely?

Yes. CVE-2026-7643 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-7643?

CVE-2026-7643 has a CVSS score of 4.3 (MEDIUM).

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MEDIUM

CVE-2026-7643

CWE-346Published: May 2, 2026· Updated: May 5, 2026

4.3

CVSS v3.1

EPSS:0.02%probability of exploitation in 30 daysPercentile:3.4th

Official Description

A flaw has been found in ChatGPTNextWeb NextChat up to 2.16.1. This impacts an unknown function of the file Next.js of the component API Endpoint. Executing a manipulation can lead to permissive cross-domain policy with untrusted domains. The attack may be launched remotely. The exploit has been published 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-2026-7643 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.