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Blinko EUVDEUVD-2026-14545

| CVE-2026-23882 HIGH
OS Command Injection (CWE-78)
2026-03-23 GitHub_M
7.2
CVSS 3.1 · GitHub Advisory
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Severity by source

GitHub Advisory PRIMARY
7.2 HIGH
AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

6
Analysis Updated
Apr 16, 2026 - 06:18 EUVD-patch-fix
executive_summary
Re-analysis Queued
Apr 16, 2026 - 05:29 backfill_euvd_patch
patch_released
Patch available
Apr 16, 2026 - 05:29 EUVD
1.8.4
EUVD ID Assigned
Mar 23, 2026 - 21:00 euvd
EUVD-2026-14545
Analysis Generated
Mar 23, 2026 - 21:00 vuln.today
CVE Published
Mar 23, 2026 - 20:52 nvd
HIGH 7.2

DescriptionGitHub Advisory

Blinko is an AI-powered card note-taking project. Prior to version 1.8.4, the MCP (Model Context Protocol) server creation function allows specifying arbitrary commands and arguments, which are executed when testing the connection. This issue has been patched in version 1.8.4.

AnalysisAI

Blinko versions prior to 1.8.4 allow authenticated high-privilege users to execute arbitrary commands through the MCP server creation function during connection testing, resulting in complete system compromise. An attacker with administrative credentials can inject malicious commands that execute with application privileges, achieving remote code execution. No patch is currently available for affected deployments.

Technical ContextAI

This vulnerability affects Blinko (cpe:2.3:a:blinkospace:blinko:*:*:*:*:*:*:*:*), specifically the Model Context Protocol (MCP) server creation functionality. The root cause is a classic command injection flaw (CWE-78), where external input used to construct operating system commands is not properly sanitized or validated. When administrators create or test MCP server connections, the application passes user-controlled command strings and arguments directly to system execution functions, allowing injection of arbitrary OS commands. The MCP server integration appears to be part of Blinko's AI functionality, where server configurations require command specification for initialization or health checks.

RemediationAI

Upgrade Blinko to version 1.8.4 or later, which contains a patch for this command injection vulnerability as documented in the release notes at https://github.com/blinkospace/blinko/releases/tag/1.8.4 and commit bef6b770743e87c630db2d00d7049dabd96bfe85. Organizations unable to immediately upgrade should restrict administrative access to the Blinko application, implement additional authentication controls for MCP server creation functions, and monitor system logs for suspicious command execution patterns. Network segmentation should be enforced to limit potential impact if administrative credentials are compromised and command injection is achieved.

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EUVD-2026-14545 vulnerability details – vuln.today

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