Description
A flaw has been found in ChatGPTNextWeb NextChat up to 2.16.1. This vulnerability affects the function proxyHandler of the file app/api/proxy.ts of the component Proxy Fallback Handler. This manipulation of the argument x-base-url causes server-side request forgery. It is possible to initiate the attack remotely. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.
Published: 2026-10-05
Score: 6.9 Medium
EPSS: < 1% Very Low
KEV: No
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 05 Oct 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 05 Oct 2026 10:00:00 +0000

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

Mon, 05 Oct 2026 07:00:00 +0000

Type Values Removed Values Added
Description A flaw has been found in ChatGPTNextWeb NextChat up to 2.16.1. This vulnerability affects the function proxyHandler of the file app/api/proxy.ts of the component Proxy Fallback Handler. This manipulation of the argument x-base-url causes server-side request forgery. It is possible to initiate the attack remotely. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.
Title ChatGPTNextWeb NextChat Proxy Fallback proxy.ts proxyHandler server-side request forgery
First Time appeared Nextchat
Nextchat nextchat
Weaknesses CWE-918
CPEs cpe:2.3:a:nextchat:nextchat:*:*:*:*:*:*:*:*
Vendors & Products Nextchat
Nextchat nextchat
References
Metrics cvssV2_0

{'score': 7.5, 'vector': 'AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:C'}

cvssV3_0

{'score': 7.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C'}

cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}


Subscriptions

Chatgptnextweb Nextchat
Nextchat Nextchat
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-10-05T13:25:17.390Z

Reserved: 2026-10-04T16:15:43.837Z

Link: CVE-2026-105238

cve-icon Vulnrichment

Updated: 2026-10-05T13:25:13.848Z

cve-icon NVD

Status : Received

Published: 2026-10-05T07:16:30.180

Modified: 2026-10-05T14:17:18.997

Link: CVE-2026-105238

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-05T09:45:19Z

Weaknesses
  • CWE-918

    Server-Side Request Forgery (SSRF)