What is CVE-2026-23882?

CVE-2026-23882 is a high-severity vulnerability in Blinko, classified under OS Command Injection. CVSS score: 7.2/10. Published 2026-03-23.

How severe is CVE-2026-23882?

High severity. CVSS v3 base score is 7.2 out of 10.

RCE in Blinko

CVE-2026-23882

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.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.004 (28.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Blinko
Blinkospace Blinko — versions < 1.8.4

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2026-23882?: CVE-2026-23882 is a high-severity vulnerability in Blinko, classified under OS Command Injection. CVSS score: 7.2/10. Published 2026-03-23.
How severe is CVE-2026-23882?: High severity. CVSS v3 base score is 7.2 out of 10.