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Description

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.

PUBLISHED Reserved 2026-04-27 | Published 2026-04-27 | Updated 2026-04-28 | Assigner VulDB




MEDIUM: 6.9CVSS: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
HIGH: 7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
HIGH: 7.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
7.5AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Server-Side Request Forgery

Product status

2.16.0
affected

2.16.1
affected

Timeline

2026-04-27:Advisory disclosed
2026-04-27:VulDB entry created
2026-04-27:VulDB entry last update

Credits

Eric-b (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/359779 (VDB-359779 | ChatGPTNextWeb NextChat route.ts proxyHandler server-side request forgery) vdb-entry technical-description

vuldb.com/vuln/359779/cti (VDB-359779 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/797645 (Submit #797645 | nextchat <= 2.16.1 Server-Side Request Forgery / SSRF (CWE-918)) third-party-advisory

github.com/ChatGPTNextWeb/NextChat/issues/6742 issue-tracking

gist.github.com/YLChen-007/da6b00024f5b7e1d4fa0658c19b77fbf exploit

github.com/ChatGPTNextWeb/NextChat/ product

cve.org (CVE-2026-7177)

nvd.nist.gov (CVE-2026-7177)

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