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TI-2026-06725 Aliases CVE-2026-7643GHSA-cv87-px3c-7h2j

ChatGPTNextWeb NextChat API Endpoint Next.js cross-domain policy

Priority MEDIUM 57CWE-346Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-346.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00158 4th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ChatGPTNextWebNextChat2.16.0; 2.16.1—No fix listedCNA
  • NextChat VendorChatGPTNextWeb Affected 2.16.0; 2.16.1 Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:nextchat:nextchat:*:*:*:*:*:*:*:*——ChatGPTNextWeb
  • cpe:2.3:a:nextchat:nextchat:*:*:*:*:*:*:*:* Versions — — ·ChatGPTNextWeb

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-7643
  2. 2026-10-03 Alias added: GHSA-cv87-px3c-7h2j

References

Exploit 1

Other 1

  • TI-2023-27194 NextChat vulnerable to Server-Side Request Forgery and Cross-site Scripting CVSS 3.1CRITICAL 9.8
  • TI-2026-56977 NextChat 2.15.8 through 2.16.1 OpenAI API Key Disclosure CVSS 4.0HIGH 8.7
  • TI-2025-32232 Directory traversal vulnerability in NextChat thru 2.16.0 due to the WebDAV proxy failing… CVSS 3.1HIGH 7.5
  • TI-2026-67707 Server-side request forgery in NextChat Proxy Fallback proxyHandler CVSS 4.0MEDIUM 6.9
  • TI-2026-06726 ChatGPTNextWeb NextChat actions.ts addMcpServer improper authorization CVSS 4.0MEDIUM 6.9
  • TI-2026-06301 ChatGPTNextWeb NextChat Artifacts Endpoint route.ts storeUrl server-side request forgery CVSS 4.0MEDIUM 6.9
See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences