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CVE-2026-4587

MEDIUM CVSS 4.0: 6.3 EPSS 0.03%
Updated Mar 23, 2026
PHP
Parameter Value
CVSS 6.3 (MEDIUM)
Type CWE-287 (Improper Authentication), CWE-295 (Improper Certificate Validation)
Vendor PHP
Public PoC No

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.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
High
Difficult to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
Low
Partial data modification
Availability
None
No disruption

CVSS Vector v4.0