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 3.5.0.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Kit | Kit (formerly ConvertKit) | ≤ 3.5.0 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
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kanokwut/CVE-2026-125439-poc ★ 0 · Nov 3, 2026
PoC for CVE-2026-125439: Kit (formerly ConvertKit) Member Content paywall bypass via the REST API excerpt field. Fixed in 3.5.1.
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.