CVE-2026-23486: Blinko: Unauthorized User Information Leak

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-03-23 · updated 2026-06-17
Weakness: CWE-200

Description

Blinko is an AI-powered card note-taking project. Prior to version 1.8.4, a publicly accessible endpoint exposes all user information, including usernames, roles, and account creation dates. 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/ec1e3e20384b620b8bf928fe80b4d8546757b419
https://github.com/blinkospace/blinko/releases/tag/1.8.4
https://github.com/blinkospace/blinko/security/advisories/GHSA-446p-2xf5-frxf

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