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CVE Vulnerability Details :

CVE-2026-34236

PUBLISHED

More Info Official Page

Assigner-GitHub_M

Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa

Published At-01 Apr, 2026 | 17:04

Updated At-01 Apr, 2026 | 17:59

▼CVE Numbering Authority (CNA)

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 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.

Affected Products

Vendor

auth0

Product

auth0-PHP

Versions

Affected

>= 8.0.0, < 8.19.0

Problem Types

Type	CWE ID	Description
CWE	CWE-331	CWE-331: Insufficient Entropy

Type: CWE

CWE ID: CWE-331

Description: CWE-331: Insufficient Entropy

Metrics

Version	Base score	Base severity	Vector
3.1	8.2	HIGH	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N

Version: 3.1

Base score: 8.2

Base severity: HIGH

Vector:

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

References

Hyperlink	Resource
https://github.com/auth0/auth0-PHP/security/advisories/GHSA-w3wc-44p4-m4j7	x_refsource_CONFIRM
https://github.com/auth0/auth0-PHP/releases/tag/8.19.0	x_refsource_MISC

Hyperlink: https://github.com/auth0/auth0-PHP/security/advisories/GHSA-w3wc-44p4-m4j7

Resource:

x_refsource_CONFIRM

Hyperlink: https://github.com/auth0/auth0-PHP/releases/tag/8.19.0

Resource:

x_refsource_MISC

▼Authorized Data Publishers (ADP)

CISA ADP Vulnrichment

Affected Products

Affected

Problem Types

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References