CVE-2026-82905 sdcb chats fetch-tools Endpoint McpController.cs McpController server-side request forgery

Medium 5.3 Published Updated

Remote attackers can exploit a server-side request forgery vulnerability in the fetch-tools endpoint of sdcb chats to access internal resources.

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

What is CVE-2026-82905?

CVE-2026-82905 is a medium-severity server-side request forgery vulnerability in sdcb chats, published on 31 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was detected in sdcb chats up to 1.12.0. This affects the function McpController of the file src/BE/web/Controllers/Users/Mcps/McpController.cs of the component fetch-tools Endpoint. The manipulation results in server-side request forgery. The attack may be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-918

Which versions are affected by CVE-2026-82905?

How do I fix CVE-2026-82905?

No fix has been published for CVE-2026-82905 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2026-82905 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-82905 exists.

Sources

Also known as GHSA-36p9-wgqq-whgv.

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