Vulnerability Details CVE-2026-34236
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 1.3%
CVSS Severity
CVSS v3 Score 8.2
References
Products affected by CVE-2026-34236
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cpe:2.3:a:auth0:auth0-php:8.0.0
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cpe:2.3:a:auth0:auth0-php:8.0.1
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cpe:2.3:a:auth0:auth0-php:8.0.2
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cpe:2.3:a:auth0:auth0-php:8.0.3
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cpe:2.3:a:auth0:auth0-php:8.0.4
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cpe:2.3:a:auth0:auth0-php:8.0.5
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cpe:2.3:a:auth0:auth0-php:8.0.6
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cpe:2.3:a:auth0:auth0-php:8.1.0
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cpe:2.3:a:auth0:auth0-php:8.10.0
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cpe:2.3:a:auth0:auth0-php:8.11.0
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cpe:2.3:a:auth0:auth0-php:8.11.1
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cpe:2.3:a:auth0:auth0-php:8.12.0
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cpe:2.3:a:auth0:auth0-php:8.13.0
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cpe:2.3:a:auth0:auth0-php:8.14.0
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cpe:2.3:a:auth0:auth0-php:8.15.0
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cpe:2.3:a:auth0:auth0-php:8.16.0
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cpe:2.3:a:auth0:auth0-php:8.17.0
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cpe:2.3:a:auth0:auth0-php:8.18.0
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cpe:2.3:a:auth0:auth0-php:8.2.0
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cpe:2.3:a:auth0:auth0-php:8.2.1
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cpe:2.3:a:auth0:auth0-php:8.3.0
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cpe:2.3:a:auth0:auth0-php:8.3.1
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cpe:2.3:a:auth0:auth0-php:8.3.2
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cpe:2.3:a:auth0:auth0-php:8.3.3
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cpe:2.3:a:auth0:auth0-php:8.3.4
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cpe:2.3:a:auth0:auth0-php:8.3.5
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cpe:2.3:a:auth0:auth0-php:8.3.6
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cpe:2.3:a:auth0:auth0-php:8.3.7
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cpe:2.3:a:auth0:auth0-php:8.3.8
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cpe:2.3:a:auth0:auth0-php:8.4.0
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cpe:2.3:a:auth0:auth0-php:8.5.0
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cpe:2.3:a:auth0:auth0-php:8.6.0
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cpe:2.3:a:auth0:auth0-php:8.7.0
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cpe:2.3:a:auth0:auth0-php:8.7.1
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cpe:2.3:a:auth0:auth0-php:8.8.0
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cpe:2.3:a:auth0:auth0-php:8.9.0
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cpe:2.3:a:auth0:auth0-php:8.9.1
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cpe:2.3:a:auth0:auth0-php:8.9.3