CVE-2026-23882 Blinko: Admin RCE - MCP Server Command Injection

High 8.6 Published Updated

Attackers can execute arbitrary commands via the MCP server creation function in Blinko, leading to remote code execution.

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

What is CVE-2026-23882?

CVE-2026-23882 is a high-severity command injection vulnerability in blinkospace blinko, published on 23 Mar 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Blinko is an AI-powered card note-taking project. Prior to version 1.8.4, the MCP (Model Context Protocol) server creation function allows specifying arbitrary commands and arguments, which are executed when testing the connection. This issue has been patched in version 1.8.4.

Weakness: CWE-78

Which versions are affected by CVE-2026-23882?

It affects 1 product.

Products include Blinko Blinko.

How do I fix CVE-2026-23882?

No fix has been published for CVE-2026-23882 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-23882 being exploited?

There is no known exploitation of CVE-2026-23882 in the wild and no public exploit code.

Sources

Also known as GHSA-59r2-82p8-c56v.

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