CVE-2026-85702 ramon-victor freegpt-webui Backend Conversation API backend.py _conversation missing authentication

Medium 6.9 Published Updated

Attackers can access the backend conversation API without authentication, allowing unauthorized data access and modification in the freegpt-webui application.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-85702?

CVE-2026-85702 is a medium-severity missing authorization vulnerability in ramon-victor freegpt-webui, published on 4 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A security vulnerability has been detected in ramon-victor freegpt-webui up to 098db3dfeb41555c2ca9269df0f13e10ec1c35dc. Affected is the function _conversation of the file server/backend.py of the component Backend Conversation API. Such manipulation of the argument model leads to missing authentication. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. This product operates on a rolling release basis, ensuring continuous delivery. Consequently, there are no version details for either affected or updated releases. This vulnerability only affects products that are no longer supported by the maintainer.

Weakness: CWE-306, CWE-287

Which versions are affected by CVE-2026-85702?

How do I fix CVE-2026-85702?

No fix has been published for CVE-2026-85702 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-85702 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-85702 exists.

Sources

Also known as GHSA-ghpx-52p8-x9h5.

Is CVE-2026-85702 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free