CVE-2026-40799: relywp simple cloudflare turnstile
CVSS: 5.8v3.1MediumDeferred
Published 15-06-2026Last modified 15-06-2026
Vulnerability summary
CVE-2026-40799 is a medium (CVSS 5.8) vulnerability in relywp simple cloudflare turnstile. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 28.7% of scored vulnerabilities.
CVSS score
5.8/10
010
Medium · v3.1 (CVE.org)EPSS score
0.36%
0%100%
Low · +0.05 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 15-06-2026PublishedVulnerability first disclosed.
- 15-06-2026Last modifiedVulnerability information updated.
Description
Unauthenticated Broken Authentication in Simple Cloudflare Turnstile <= 1.38.0 versions.
CVSS metrics
3 scores · 3 sources · 1 versionMedium 5.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NSources3 sources · 5.3–5.8
- NVDNIST5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NDiffers
- wordfenceSource5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NDiffers
EPSS trend
Probability
0.36%
Chance of exploitation in the next 30 days
Percentile
29%
Versus all other CVEs
30-day change
+0.05 pp
From 0.31% on 21-09-2026
21-09-202621-10-2026
EPSS score0.36%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-288Authentication Bypass Using an Alternate Path or ChannelThe product requires authentication, but the product has an alternate path or channel that does not require authentication.
- CWE-285Improper AuthorizationThe product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.
Affected systems
Relywp1 product
- simple cloudflare turnstile≥ n/a, ≤ 1.38.0
Wordpress1 product
- simple-cloudflare-turnstile≤ 1.38.0 (fixed in 1.38.1)
2 vendors · 2 products
References
2 links- patchstack.com/database/…VDB Entry