Is CVE-2026-85701 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-85701 being exploited in the wild.

How severe is CVE-2026-85701?

Medium severity, with a CVSS score of 5.3, published 4 September 2026.

Which products and versions are affected?

Ramon-Victor Freegpt-Webui up to 098db3dfeb41555c2ca9269df0f13e10ec1c35dc.

Is there a fix for CVE-2026-85701?

No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

How is CVE-2026-85701 attacked?

It is attacked over the network, in a software library.

Am I affected by CVE-2026-85701?

Check whether you run Ramon-Victor Freegpt-Webui at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-85701: FreeGPT WebUI authentication bypass in ChatCompletion

CVE-2026-85701 · Severity: medium · CVSS 5.3 · Published 2026-09-04

FreeGPT WebUI is a web interface that provides access to AI chat completion services. A vulnerability in the authentication mechanism allows attackers to bypass required authentication checks and access protected AI providers (such as Bard) without credentials by simply omitting a provider argument in their requests.

Technologies: Ramon-Victor Freegpt-Webui. Vendors: Ramon-Victor.

Quick answers

Is CVE-2026-85701 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-85701 being exploited in the wild.
How severe is CVE-2026-85701?: Medium severity, with a CVSS score of 5.3, published 4 September 2026.
Which products and versions are affected?: Ramon-Victor Freegpt-Webui up to 098db3dfeb41555c2ca9269df0f13e10ec1c35dc.
Is there a fix for CVE-2026-85701?: No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-85701 attacked?: It is attacked over the network, in a software library.
Am I affected by CVE-2026-85701?: Check whether you run Ramon-Victor Freegpt-Webui at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

This is a missing authentication vulnerability (CWE-306) in the ChatCompletion.create method of g4f/__init__.py. The vulnerability occurs because the authentication check (`if provider and provider.needs_auth and not auth`) only validates credentials when a provider is explicitly specified. When no provider argument is passed, the code resolves the provider from `model.best_provider` but skips the authentication check entirely, allowing any model whose best_provider requires authentication (e.g., Model.palm → Provider.Bard with needs_auth=True) to be invoked without credentials. The backend API endpoint in server/backend.py never passes explicit provider or auth arguments, making all auth-required providers accessible unauthenticated through the web API. Attack is network-accessible and requires no prior authentication from the attacker.

Affected products

ramon-victor freegpt-webui up to 098db3dfeb41555c2ca9269df0f13e10ec1c35dc

Timeline

2026-07-18: disclosed: Advisory published on GitHub Gist
2026-09-04: advisory: CVE-2026-85701 published
2026-09-04: other: Product noted as archived and no longer supported by maintainer

References

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