CVE-2026-23487 PUBLISHED

Blinko: IDOR - user.detail Endpoint Leaks Superadmin Token

Assigner: GitHub_M
Reserved: 13.01.2026 Published: 23.03.2026 Updated: 23.03.2026

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.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS Score: 6

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	High	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	blinkospace
Product	blinko
Versions	Version < 1.8.4 is affected

References

https://github.com/blinkospace/blinko/security/advisories/GHSA-4ffv-78qx-9p66
https://github.com/blinkospace/blinko/commit/bef6b770743e87c630db2d00d7049dabd96bfe85
https://github.com/blinkospace/blinko/releases/tag/1.8.4

Problem Types

CWE-639: Authorization Bypass Through User-Controlled Key CWE