Medium severity · published Oct 18, 2026
CVE-2026-110880
WordPress Kit (formerly ConvertKit) plugin <= 3.4.6 - Broken Access Control vulnerability
6.5
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KF
Kit (formerly ConvertKit) · Kit
through 3.4.6 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-110880
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-110880
patchstack.com
https://patchstack.com/database/wordpress/plugin/convertkit/vulnerability/wordpress-kit-formerly-convertkit-plugin-3-4-6-broken-access-control-vulnerability?_s_id=cve
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