{"id":"CVE-2026-105238","title":"A flaw has been found in ChatGPTNextWeb NextChat up to 2.16.1","summary":"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…","severity":"high","cvss":7.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","cwe":["CWE-918"],"vendor":"ChatGPTNextWeb","product":"NextChat","affected":["NextChat 2.16.0","NextChat 2.16.1"],"published":"2026-10-05","updated":"2026-10-05","sourceUpdated":"2026-10-05T07:16:30.180","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-105238","references":[{"url":"https://github.com/ChatGPTNextWeb/NextChat/","label":"cna@vuldb.com"},{"url":"https://github.com/ChatGPTNextWeb/NextChat/issues/6813","label":"cna@vuldb.com"},{"url":"https://github.com/ChatGPTNextWeb/NextChat/pull/6884","label":"cna@vuldb.com"},{"url":"https://vuldb.com/cve/CVE-2026-105238","label":"cna@vuldb.com"},{"url":"https://vuldb.com/submit/975707","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/413450","label":"cna@vuldb.com"},{"url":"https://vuldb.com/vuln/413450/cti","label":"cna@vuldb.com"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-05T07:14:48.256Z","slug":"CVE-2026-105238","body":"## Overview\n\nA 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":40,"depthScoreParts":{"impact":40.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}