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

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-03-23 · updated 2026-06-17
Weakness: CWE-78

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.

Affected products

blinkospace blinko: before 1.8.4 — fixed in 1.8.4

How to fix

Upgrade to a fixed version: blinkospace blinko 1.8.4. Check the vendor advisory for mitigations.

References

https://github.com/blinkospace/blinko/commit/bef6b770743e87c630db2d00d7049dabd96bfe85
https://github.com/blinkospace/blinko/releases/tag/1.8.4
https://github.com/blinkospace/blinko/security/advisories/GHSA-59r2-82p8-c56v

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