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.
Advisories
Source ID Title
Github GHSA Github GHSA GHSA-w3wc-44p4-m4j7 Auth0 PHP SDK has Insufficient Entropy in Cookie Encryption
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 01 Apr 2026 23:45:00 +0000

Type Values Removed Values Added
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.
Title Auth0 PHP SDK Insufficient Entropy in Cookie Encryption
Weaknesses CWE-331
References
Metrics cvssV3_1

{'score': 8.2, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-04-01T17:59:59.001Z

Reserved: 2026-03-26T16:22:29.034Z

Link: CVE-2026-34236

cve-icon Vulnrichment

Updated: 2026-04-01T17:59:53.927Z

cve-icon NVD

Status : Received

Published: 2026-04-01T18:16:30.007

Modified: 2026-04-01T18:16:30.007

Link: CVE-2026-34236

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses