Vulnerability DatabaseCVE-2026-7643
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CVE-2026-7643
Published:May 02, 2026
Updated:August 04, 2026
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.
Related Resources (7)
https://github.com/ChatGPTNextWeb/NextChat/
https://nvd.nist.gov/vuln/detail/CVE-2026-7643
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/7xxx/CVE-2026-7643.json
https://vuldb.com/submit/806833
https://vuldb.com/vuln/360755
https://vuldb.com/vuln/360755/cti
https://github.com/ChatGPTNextWeb/NextChat/issues/6756
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CVSS v4
Base Score:
2.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
Exploit Maturity
POC
CVSS v3
Base Score:
4.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Exploit Maturity
PROOF-OF-CONCEPT
Weakness Type (CWE)
Origin Validation Error
CWE-346
Permissive Cross-domain Security Policy with Untrusted Domains
CWE-942
EPSS
Base Score:
0.16