Improper Certificate Validation Affecting hybridauth/hybridauth package, versions <3.13.0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PHP-HYBRIDAUTHHYBRIDAUTH-15762288
- published24 Mar 2026
- disclosed23 Mar 2026
- creditjontyms
Introduced: 23 Mar 2026
CVE-2026-4587 (opens in a new tab)How to fix?
Upgrade hybridauth/hybridauth to version 3.13.0 or higher.
Overview
hybridauth/hybridauth is a PHP Social Authentication Library
Affected versions of this package are vulnerable to Improper Certificate Validation through the setCurlOptions() processing in src/HttpClient/Curl.php. An attacker can intercept or tamper with HTTPS traffic by supplying malicious curlOptions that override SSL verification settings.