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Description

Auth0-PHP is a PHP SDK for Auth0 Authentication and Management APIs. From version 8.0.0 to before version 8.19.0, in applications built with the Auth0 PHP SDK, cookies are encrypted with insufficient entropy, which may result in threat actors brute-forcing the encryption key and forging session cookies. This issue has been patched in version 8.19.0.

PUBLISHED Reserved 2026-03-26 | Published 2026-04-01 | Updated 2026-04-01 | Assigner GitHub_M




HIGH: 8.2CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N

Problem types

CWE-331: Insufficient Entropy

Product status

>= 8.0.0, < 8.19.0
affected

References

github.com/...h0-PHP/security/advisories/GHSA-w3wc-44p4-m4j7

github.com/auth0/auth0-PHP/releases/tag/8.19.0

cve.org (CVE-2026-34236)

nvd.nist.gov (CVE-2026-34236)

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