CVE-2026-103068
Received Received - Intake

Subscriber Privilege Escalation in ByteCoreStack MCP Connector

Publication date: 2026-10-01

Last updated on: 2026-10-01

Assigner: Patchstack

Description
Subscriber Privilege Escalation in ByteCoreStack &#8211; MCP Connector for AI Tools <= 1.2.2 versions.

CVSS Scores

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Meta Information

Published
2026-10-01
Last Modified
2026-10-01
Generated
2026-10-01
AI Q&A
2026-10-01
EPSS Evaluated
N/A
NVD
CVE-2026-103068
EUVD
EUVD-2026-90845

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
bytecorestack mcp_connector_for_ai_tools to 1.2.2 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-266 A product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor.

Attack-Flow Graph

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Executive Summary

This vulnerability is a Subscriber Privilege Escalation flaw in the ByteCoreStack – MCP Connector for AI Tools WordPress plugin versions 1.2.2 or earlier. It allows low-privilege users, such as subscribers, to escalate their privileges to administrator level, gaining full control over the website.

Detection Guidance

Check if the ByteCoreStack – MCP Connector for AI Tools plugin is installed and its version. Use commands like 'wp plugin list' in WordPress CLI or inspect the plugin directory for version details. Look for version 1.2.2 or earlier.

Impact Analysis

Attackers could exploit this vulnerability to gain full control over your website. This could lead to unauthorized access, data theft, defacement, or further compromise of your site and users. The high CVSS score of 8.8 indicates a significant risk.

Compliance Impact

This vulnerability could lead to unauthorized access and data breaches, which may violate compliance requirements under GDPR, HIPAA, or other regulations. Such breaches could result in legal penalties, fines, and reputational damage due to compromised user data.

Mitigation Strategies

Update the plugin to version 1.2.4 or later immediately. If updating is not possible, apply Patchstack's temporary mitigation rule to block attacks until the update is applied.

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