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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
ChatGPTNextWeb NextChat affected
Version Status Constraints
2.16.0 affected —
2.16.1 affected —

No data.

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Project Subscriptions

Vendors Products
Nextchat Subscribe
Nextchat Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/ChatGPTNextWeb/NextChat/ cve-icon cve-icon
https://github.com/ChatGPTNextWeb/NextChat/issues/6813 cve-icon cve-icon
https://github.com/ChatGPTNextWeb/NextChat/pull/6884 cve-icon cve-icon
https://vuldb.com/cve/CVE-2026-105238 cve-icon cve-icon
https://vuldb.com/submit/975707 cve-icon cve-icon
https://vuldb.com/vuln/413450 cve-icon cve-icon
https://vuldb.com/vuln/413450/cti cve-icon cve-icon
History

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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-10-05T06:15:11.244Z

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

Link: CVE-2026-105238

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

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

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

Link: CVE-2026-105238

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses