{"id":"CVE-2026-105238","summary":"ChatGPTNextWeb NextChat Proxy Fallback proxy.ts proxyHandler server-side request forgery","details":"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.","modified":"2026-10-07T02:47:26.398405486Z","published":"2026-10-05T06:15:11.244Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/105xxx/CVE-2026-105238.json","cna_assigner":"VulDB","cwe_ids":["CWE-918"]},"references":[{"type":"WEB","url":"https://github.com/ChatGPTNextWeb/NextChat/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/105xxx/CVE-2026-105238.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105238"},{"type":"ADVISORY","url":"https://vuldb.com/cve/CVE-2026-105238"},{"type":"ADVISORY","url":"https://vuldb.com/submit/975707"},{"type":"ADVISORY","url":"https://vuldb.com/vuln/413450"},{"type":"REPORT","url":"https://github.com/ChatGPTNextWeb/NextChat/issues/6813"},{"type":"REPORT","url":"https://vuldb.com/vuln/413450/cti"},{"type":"FIX","url":"https://github.com/ChatGPTNextWeb/NextChat/pull/6884"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/chatgptnextweb/nextchat","events":[{"introduced":"377480b448798488db5ef03f4d5c44d2d930693c"},{"last_affected":"557a2cce357749c6fb3176d42e03ff6f7de4d355"}],"database_specific":{"extracted_events":[{"introduced":"2.16.0"},{"last_affected":"2.16.0"},{"introduced":"2.16.1"},{"last_affected":"2.16.1"}],"source":"AFFECTED_FIELD"}}],"versions":["2.16.0","2.16.1","v2.16.1","v2.16.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-105238.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"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"}]}