CVE-2026-7644: ChatGPTNextWeb NextChat actions.ts addMcpServer improper authorization
ChatGPTNextWeb · NextChat
Affected: ChatGPTNextWeb NextChat · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 24% of scored CVEs
DescriptionCVE.org
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.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- ChatGPTNextWeb · NextChat2.16.0; 2.16.1
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- ChatGPTNextWeb
- Published
- May 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-7644 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.