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

Quick assessment

Affected
blinkospace blinko
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Blinko是Blinko开源的一款基于人工智能的卡片式笔记应用，专为想要快速捕捉和整理转瞬即逝的灵感的用户而设计。 Blinko 1.8.4之前版本存在信息泄露漏洞，该漏洞源于一个可公开访问的端点暴露所有用户信息。

AI Predicted 5.3 Difficulty: Trivial EPSS 0.71% · P52

Public Exploits 1

Nuclei · 1 CVE-2026-23486.yaml [template]

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2026-23486

Vulnerability Information
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Vulnerability Title
Blinko: Unauthorized User Information Leak
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Blinko 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Blinko是Blinko开源的一款基于人工智能的卡片式笔记应用，专为想要快速捕捉和整理转瞬即逝的灵感的用户而设计。 Blinko 1.8.4之前版本存在信息泄露漏洞，该漏洞源于一个可公开访问的端点暴露所有用户信息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
blinkospace blinko < 1.8.4 -

II. Public POCs for CVE-2026-23486

# POC Description Source Link Shenlong Link
1 Blinko <= 1.8.4 contains an information disclosure caused by a publicly accessible endpoint exposing user information including usernames, roles, and account creation dates, letting remote attackers access sensitive user data, exploit requires no special privileges. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-23486.yaml POC Details
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III. Intelligence Information for CVE-2026-23486

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Vendor Pages for CVE-2026-23486 (1)

Same Patch Batch · blinkospace · 2026-03-23 · 10 CVEs total

CVE-2026-23481 Blinko: Authenticated Arbitrary File Write - saveAdditionalDevFile
CVE-2026-23484 Blinko: Authenticated Arbitrary File Write - saveDevPlugin
CVE-2026-23480 Blinko: Low Privilege User Privilege Escalation - upsertUser Endpoint
CVE-2026-23483 Blinko: Unauthorized Arbitrary File Read - /plugins
CVE-2026-23482 Blinko: Unauthorized Arbitrary File Read - /api/file/temp
CVE-2026-23488 Blinko: multiple interfaces in the comment feature allow unauthorized access
CVE-2026-23485 Blinko: Unauthorized Path Traversal File Enumeration - music-metadata
CVE-2026-23487 Blinko: IDOR - user.detail Endpoint Leaks Superadmin Token
CVE-2026-23882 Blinko: Admin RCE - MCP Server Command Injection

IV. Related Vulnerabilities

Same product: blinko
Same vendor: blinkospace
Same weakness: CWE-200

V. Comments for CVE-2026-23486

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