CVE-2026-94051 0717376 cowork_bench pdf-tools-mcp server.py ControlFlowNode server-side request forgery

Medium 5.3 Published Updated

An attacker can exploit a server-side request forgery vulnerability in the pdf-tools-mcp server to access internal resources or bypass security controls.

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-2026-94051?

CVE-2026-94051 is a medium-severity server-side request forgery vulnerability in 0717376 cowork_bench, published on 20 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was found in 0717376 cowork_bench up to d943e75bc0fc8e3b27141979300cd8cbcd1e890d. Affected by this vulnerability is the function ControlFlowNode of the file local_servers/pdf-tools-mcp/pdf_tools_mcp/server.py of the component pdf-tools-mcp. Performing a manipulation of the argument pdf_file_path results in server-side request forgery. It is possible to initiate the attack remotely. The exploit has been made public and could be used. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. The project was informed of the problem early through an issue report but has not responded yet.

Weakness: CWE-918

Which versions are affected by CVE-2026-94051?

How do I fix CVE-2026-94051?

No fix has been published for CVE-2026-94051 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-2026-94051 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-94051 exists.

Sources

Also known as GHSA-6j48-ggfg-8xw2.

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