CVE-2026-34236

Auth0 PHP SDK Insufficient Entropy in Cookie Encryption

State
Published
Severity
8.2 High
Published
Apr 1, 2026
Updated
Apr 1, 2026
Reserved
Mar 26, 2026

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.18.2 HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:NGitHub_M

Weaknesses

Affected Products

ProductVersions
auth0-PHPauth0
  • >= 8.0.0, < 8.19.0Affected

References

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