A security flaw has been discovered in ChatGPTNextWeb NextChat up to 2.16.1. Affected by this issue is the function proxyHandler of the file app/api/[provider]/[...path]/route.ts. The manipulation results in server-side request forgery. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
https://vuldb.com/vuln/359779/cti
https://vuldb.com/submit/797645
https://github.com/ChatGPTNextWeb/NextChat/issues/6742
https://github.com/ChatGPTNextWeb/NextChat/
https://gist.github.com/YLChen-007/da6b00024f5b7e1d4fa0658c19b77fbf
Published: 2026-04-27
Updated: 2026-04-27
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 7.3
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Severity: High
Base 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
Severity: Medium