CVE-2026-23487: Blinko: IDOR - user.detail Endpoint Leaks Superadmin Token

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% 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-639

Description

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.

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-4ffv-78qx-9p66

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