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Vulnerabilities ›

CVE-2026-23480

High

Blinko is an AI-powered card note-taking project. Prior to version 1.8.4, there is a privilege escalation vulnerability. The upsertUser endpoint has 3 issues: it is missing superAdminAuthMiddleware, a

CWE-288 — Weakness Type

                    Published: Mar 23, 2026                      ·  Modified: Mar 30, 2026                      ·  Source: NVD                

CVSS v3

8.8

🔗 NVD Official

📄 Description (English)

Blinko is an AI-powered card note-taking project. Prior to version 1.8.4, there is a privilege escalation vulnerability. The upsertUser endpoint has 3 issues: it is missing superAdminAuthMiddleware, any logged-in user can call it; the originalPassword is an optional parameter and if not provided password verification is skipped; there is no check for input.id === ctx.id (ownership verification). This could result in any authenticated user modifying other users' passwords, direct escalation to superadmin, and complete account takeover. This issue has been patched in version 1.8.4.

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Queued for AI Analysis

This CVE will be auto-analyzed on the next cron run.

🔗 References & Sources 3

https://github.com/blinkospace/blinko/commit/3afbdf486b6f371bdac5781dea6289749f2c4c03

security-advisories@github.com

https://github.com/blinkospace/blinko/releases/tag/1.8.4

security-advisories@github.com

https://github.com/blinkospace/blinko/security/advisories/GHSA-r3mv-q7ww-86p6

security-advisories@github.com

Vendor Advisory

📦 Affected Products / CPE 1 entries

blinko:blinko

📊 CVSS Score

8.8

/ 10.0 — High

📊 CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack VectorN — None / Network

Attack ComplexityL — Low / Local

Privileges RequiredL — Low / Local

User InteractionN — None / Network

ScopeU — Unchanged

ConfidentialityH — High

IntegrityH — High

AvailabilityH — High

📋 Quick Facts

Severity High

CVSS Score8.8

CWECWE-288

Exploit No

Patch ✓ Yes

Published 2026-03-23

Source Feed nvd

🏷️ Tags

patch-available CWE-288

🏢 Vendor Advisories

🔗 https://github.com/blinkospace/blinko/security/advis...

⚡ Actions

🔗 NVD Official Page ⚡ Exploit-DB Search 🐙 GitHub PoC Search 🎯 MITRE ATT&CK 📊 CVE Details

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