CVE-2026-34236 — Auth0 PHP SDK Insufficient Entropy in Cookie Encryption
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 encry…
Published: 2026-04-01 · CVSS: 8.2 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7