What is CVE-2026-23487?

CVE-2026-23487 is a medium-severity vulnerability in Blinko, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-03-23.

How severe is CVE-2026-23487?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Blinko

CVE-2026-23487

Blinko is an AI-powered card note-taking project. Prior to version 1.8.4, there is an IDOR vulnerability where user.detail Endpoint Leaks the Superadmin Token. This issue has been patched in version 1.8.4.

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.002 (12.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Blinko
Blinkospace Blinko — versions < 1.8.4

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

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-2026-23487?: CVE-2026-23487 is a medium-severity vulnerability in Blinko, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-03-23.
How severe is CVE-2026-23487?: Medium severity. CVSS v3 base score is 6.5 out of 10.