Broken Access Control Vulnerability in Kit by ConvertKit
CVE-2026-27063

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
Kit (formerly Convertkit)
Vendor
CVE Published:
29 October 2026

What is CVE-2026-27063?

A missing authorization vulnerability has been identified in Kit (formerly ConvertKit), where incorrectly configured access control security levels may allow unauthorized actions. This weakness could permit attackers to bypass restrictions and access sensitive features or data. The vulnerability impacts versions up to 3.4.7, necessitating immediate attention and patching.

Affected Version(s)

Kit (formerly ConvertKit) 0 <= 3.4.7

References

https://patchstack.com/database/wordpress/plugin/convertk...
vdb-entry

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Taegyeong Yun | Patchstack Bug Bounty Program
.