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.
Published: 2026-05-02
Score: 5.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Mon, 04 May 2026 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sat, 02 May 2026 16:45:00 +0000

Type Values Removed Values Added
First Time appeared Chatgptnextweb
Chatgptnextweb nextchat
Vendors & Products Chatgptnextweb
Chatgptnextweb nextchat

Sat, 02 May 2026 15:15:00 +0000

Type Values Removed Values Added
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.
Title ChatGPTNextWeb NextChat API Endpoint Next.js cross-domain policy
Weaknesses CWE-346
CWE-942
References
Metrics cvssV2_0

{'score': 5, 'vector': 'AV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 4.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P'}


Subscriptions

Chatgptnextweb Nextchat
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-05-04T18:03:06.500Z

Reserved: 2026-05-01T16:33:59.113Z

Link: CVE-2026-7643

cve-icon Vulnrichment

Updated: 2026-05-04T18:02:57.894Z

cve-icon NVD

Status : Deferred

Published: 2026-05-02T15:16:14.203

Modified: 2026-05-05T19:15:06.200

Link: CVE-2026-7643

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-02T16:30:46Z

Weaknesses