[ CVE-2026-110880 · Published 18 Oct 2026 ]

Vulnerability in Kit (formerly ConvertKit)

CVSS 6.5 EPSS <1%No fix listed yet

[ Description ]Official 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.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.