Home→Vulnerabilities→CVE-2026-7644
Disclosed

CVE-2026-7644

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.

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Exploitation Probability (EPSS)

Low Priority
0.05%

The Exploit Prediction Scoring System (EPSS) uses machine learning to estimate the probability that a vulnerability will be exploited in the wild within the next 30 days.

0% (Theoretical)100% (Certainty)

7-Day Exploitation Trend

Vulnerability Timeline

1 events
May 2, 2026
Vulnerability Disclosed
Published to component-level vulnerability database.

Threat Actor Attribution

PREMIUM INTEL
Associated Groups:Lazarus Group, APT28
Ransomware Campaigns:LockBit 3.0, BlackCat
IoCs (Indicators):14 IPs, 3 Hashes

Remediation & Mitigation

SOLUTION

Official patches and mitigation steps are available for this vulnerability.

# Update Command
apt-get update && apt-get upgrade -y specific-package
# Verify installation
dpkg -l | grep package-name

References

https://github.com/ChatGPTNextWeb/NextChat/GitHub
https://github.com/ChatGPTNextWeb/NextChat/issues/6757GitHub
https://vuldb.com/submit/806851Vuldb
https://vuldb.com/vuln/360756Vuldb

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Check your domain or package.json for CVE-2026-7644 exposure.

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Vulnerability Details

CVSS Base Score
7.3/ 10
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Published Date
May 2, 2026
Last Modified
May 2, 2026
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