{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-105238","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-10-04T16:15:43.837Z","datePublished":"2026-10-05T06:15:11.244Z","dateUpdated":"2026-10-05T13:25:17.390Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-10-05T06:15:11.244Z"},"title":"ChatGPTNextWeb NextChat Proxy Fallback proxy.ts proxyHandler server-side request forgery","problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-918","lang":"en","description":"Server-Side Request Forgery"}]}],"affected":[{"vendor":"ChatGPTNextWeb","product":"NextChat","versions":[{"version":"2.16.0","status":"affected"},{"version":"2.16.1","status":"affected"}],"cpes":["cpe:2.3:a:nextchat:nextchat:*:*:*:*:*:*:*:*"],"modules":["Proxy Fallback Handler"]}],"descriptions":[{"lang":"en","value":"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."}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":6.9,"vectorString":"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","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":7.3,"vectorString":"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","baseSeverity":"HIGH"}},{"cvssV3_0":{"version":"3.0","baseScore":7.3,"vectorString":"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","baseSeverity":"HIGH"}},{"cvssV2_0":{"version":"2.0","baseScore":7.5,"vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:C"}}],"timeline":[{"time":"2026-10-04T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-10-04T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-10-04T18:20:49.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"geochen (VulDB User)","type":"reporter"},{"lang":"en","value":"VulDB CNA Team","type":"coordinator"}],"references":[{"url":"https://vuldb.com/vuln/413450","name":"VDB-413450 | ChatGPTNextWeb NextChat Proxy Fallback proxy.ts proxyHandler server-side request forgery","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/413450/cti","name":"VDB-413450 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-105238","name":"CVE-2026-105238 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/975707","name":"Submit #975707 | https://github.com/ChatGPTNextWeb/ NextChat v2.16.1 Server-Side Request Forgery","tags":["third-party-advisory"]},{"url":"https://github.com/ChatGPTNextWeb/NextChat/issues/6813","tags":["exploit","issue-tracking"]},{"url":"https://github.com/ChatGPTNextWeb/NextChat/pull/6884","tags":["issue-tracking","patch"]},{"url":"https://github.com/ChatGPTNextWeb/NextChat/","tags":["product"]}],"x_generator":["VulDB PVTS v202610"]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-05T13:25:09.109096Z","id":"CVE-2026-105238","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-05T13:25:17.390Z"}}]}}