Vulnerability in Relywp Simple Cloudflare Turnstile

CVE-2026-40799

Unauthenticated Broken Authentication in Simple Cloudflare Turnstile <= 1.38.0 versions.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (27.7th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 27.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-40799: held from 0.003 to 0.004.

EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-40799?
CVE-2026-40799 is a medium-severity vulnerability in Relywp Simple Cloudflare Turnstile, classified under Authentication Bypass Using an Alternate Path or Channel. CVSS score: 5.3/10. Published 2026-06-15.
How severe is CVE-2026-40799?
Medium severity. CVSS v3 base score is 5.3 out of 10.