CVE-2026-105238

Summary

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.

Affected Software

Weaknesses

• CWE-918: Server-Side Request Forgery

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: yes
  • Technical Impact: partial

References

• https://vuldb.com/vuln/413450
• https://vuldb.com/vuln/413450/cti
• https://vuldb.com/cve/CVE-2026-105238
• https://vuldb.com/submit/975707
• https://github.com/ChatGPTNextWeb/NextChat/issues/6813
• https://github.com/ChatGPTNextWeb/NextChat/pull/6884
• https://github.com/ChatGPTNextWeb/NextChat/

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