CVE-2026-4587: HybridAuth Has Improper SSL Certificate Validation in Curl HTTP Client

March 23, 2026 (updated March 27, 2026)

A vulnerability was found in HybridAuth up to 3.12.2. This issue affects some unknown processing of the file src/HttpClient/Curl.php of the component SSL Handler. The manipulation of the argument curlOptions results in improper certificate validation. The attack can be launched remotely. This attack is characterized by high complexity. The exploitability is assessed as difficult. The project was informed of the problem early through an issue report but has not responded yet.

References

github.com/advisories/GHSA-r3hf-q3mf-7h6w
github.com/hybridauth/hybridauth
github.com/hybridauth/hybridauth/issues/1444
nvd.nist.gov/vuln/detail/CVE-2026-4587
vuldb.com/?ctiid.352423
vuldb.com/?id.352423
vuldb.com/?submit.775463

Code Behaviors & Features

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