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)

Published 2026-03-23 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.004 (27.7th percentile), scored 2026-10-05.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 27.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Blinko
Blinkospace Blinko — versions < 1.8.4

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

github.com/blinkospace/blinko/security/advisories/GHSA-59r2-82p8-c56v (Vendor Advisory)
github.com/blinkospace/blinko/commit/bef6b770743e87c630db2d00d7049dabd96bfe85 (Patch)
github.com/blinkospace/blinko/releases/tag/1.8.4 (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.