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Description

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

PUBLISHED Reserved 2026-04-15 | Published 2026-06-15 | Updated 2026-06-15 | Assigner Patchstack




MEDIUM: 5.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Problem types

CWE-288 Authentication Bypass Using an Alternate Path or Channel

Product status

Default status
unaffected

Any version
affected

Credits

David Marín | Patchstack Bug Bounty Program finder

References

patchstack.com/...ken-authentication-vulnerability?_s_id=cve vdb-entry

cve.org (CVE-2026-40799)

nvd.nist.gov (CVE-2026-40799)

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