CVE-2026-110880
Received Received - Intake

Missing Authorization in Kit (formerly ConvertKit)

Publication date: 2026-10-18

Last updated on: 2026-10-18

Assigner: Patchstack

Description
Missing Authorization vulnerability in Kit Kit (formerly ConvertKit) convertkit allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Kit (formerly ConvertKit): from n/a through 3.4.6.

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Meta Information

Published
2026-10-18
Last Modified
2026-10-18
Generated
2026-10-18
AI Q&A
2026-10-18
EPSS Evaluated
N/A
NVD
CVE-2026-110880
EUVD
EUVD-2026-103431

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Kit Kit (formerly ConvertKit) 0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

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Executive Summary

This is a Missing Authorization vulnerability in Kit (formerly ConvertKit) versions up to 3.4.6. It allows attackers to exploit incorrectly configured access control security levels, potentially gaining unauthorized access to sensitive data or functions.

Impact Analysis

An attacker could exploit this to access restricted data or perform unauthorized actions. The CVSS score of 6.5 indicates a medium severity risk with potential for data leakage or system misuse.

Compliance Impact

This vulnerability could lead to unauthorized data access, violating GDPR (data protection) and HIPAA (health data privacy) requirements. Organizations may face compliance penalties if exploited.

Mitigation Strategies

Update Kit (formerly ConvertKit) to the latest version beyond 3.4.6 to address the missing authorization vulnerability. Ensure proper access control configurations are applied to prevent unauthorized access.

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