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CVE-2026-40799 RelyWP CVE debrief

CVE-2026-40799 is a MEDIUM severity vulnerability in Simple Cloudflare Turnstile plugin versions <= 1.38.0. The vulnerability is caused by unauthenticated broken authentication. The CVSS score is 5.3.

Vendor
RelyWP
Product
Simple Cloudflare Turnstile
CVSS
MEDIUM 5.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-15
Original CVE updated
2026-06-15
Advisory published
2026-06-15
Advisory updated
2026-06-15

Who should care

Users of Simple Cloudflare Turnstile plugin versions <= 1.38.0 should apply the patch to prevent exploitation.

Technical summary

The vulnerability has a CVSS vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N and is classified under CWE-288.

Defensive priority

MEDIUM

Recommended defensive actions

  • Apply the patch to upgrade Simple Cloudflare Turnstile plugin to a version greater than 1.38.0.
  • Refer to [ref-4](https://patchstack.com/database/wordpress/plugin/simple-cloudflare-turnstile/vulnerability/wordpress-simple-cloudflare-turnstile-plugin-1-38-0-broken-authentication-vulnerability?_s_id=cve) for more info

Evidence notes

The CVE was published on [cve-org](https://www.cve.org/CVERecord?id=CVE-2026-40799) and details can be found on [nvd](https://nvd.nist.gov/vuln/detail/CVE-2026-40799).

Official resources

CVE-2026-40799 was published on 2026-06-15T21:16:52.253Z and modified on 2026-06-15T21:24:32.790Z.