CVE-2026-7643

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.

CVSS v3 4.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:P/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://github.com/ChatGPTNextWeb/NextChat/
https://github.com/ChatGPTNextWeb/NextChat/issues/6756
https://vuldb.com/submit/806833
https://vuldb.com/vuln/360755
https://vuldb.com/vuln/360755/cti

Configurations

No configuration.

History

02 May 2026, 15:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-02 15:16

Updated : 2026-05-05 19:15

NVD link : CVE-2026-7643

Mitre link : CVE-2026-7643

CVE.ORG link : CVE-2026-7643

JSON object : View

Products Affected

No product.

CWE

CWE-346

Origin Validation Error

CWE-942

Permissive Cross-domain Policy with Untrusted Domains

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