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CVE-2026-23488— Blinko: multiple interfaces in the comment feature allow unauthorized access

Quick assessment

Affected
blinkospace blinko
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
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之前版本存在安全漏洞，该漏洞源于/api/v1/comment/create端点存在未经授权的访问，允许攻击者在任何笔记上发布评论，且/api/v1/comment/list端点存在相同问题，允许未经授权查看所有笔记的评论。

AI Predicted 7.5 Difficulty: Easy EPSS 0.30% · P21

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-23488

Vulnerability Information
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Vulnerability Title
Blinko: multiple interfaces in the comment feature allow unauthorized access
Source: CVE Program / CVE List V5
Vulnerability Description
Blinko is an AI-powered card note-taking project. Prior to version 1.8.4, the /api/v1/comment/create endpoint has an unauthorized access vulnerability, allowing attackers to post comments on any note (including private notes) without authorization, even if the note has not been publicly shared. The /api/v1/comment/list endpoint has the same issue, allowing unauthorized viewing of comments on all notes. 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
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
Blinko 安全漏洞
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之前版本存在安全漏洞，该漏洞源于/api/v1/comment/create端点存在未经授权的访问，允许攻击者在任何笔记上发布评论，且/api/v1/comment/list端点存在相同问题，允许未经授权查看所有笔记的评论。
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-2026-23488

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III. Intelligence Information for CVE-2026-23488

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Patches & Fixes for CVE-2026-23488 (2)

Vendor Pages for CVE-2026-23488 (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-2026-23486 Blinko: Unauthorized User Information Leak
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-639

V. Comments for CVE-2026-23488

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