CVE-2026-105238mediumCWE-918

CVE-2026-105238: medium-severity vulnerability in ChatGPTNextWeb NextChat

ChatGPTNextWeb NextChat Proxy Fallback proxy.ts proxyHandler server-side request forgery

Published

33Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 6.9epss 0.4%
exploitation probability
0.4%top 69% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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.
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
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.