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CVE-2026-34236 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:8.2 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/auth0/auth0-PHP/releases/tag/8.19.0	[email protected]	ProductRelease Notes
https://github.com/auth0/auth0-PHP/security/advisories/GHSA-w3wc-44p4-m4j7	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-331	Insufficient Entropy	[email protected]

Affected Products

Product	Versions
auth0 auth0-php	>= 8.0.0, < 8.19.0
CPE cpe:2.3:a:auth0:auth0-php:::::::: Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Apr 7, 2026	Initial Analysis	[email protected]
Apr 1, 2026	New CVE Received	[email protected]