CVE-2026-4587

HybridAuth SSL Curl.php certificate validation

CVSS 6.3 MEDIUMEPSS 0.2%CWE-287 CWE-295

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.3EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

23 Mar 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X

Affected products

n/a · HybridAuth

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References

https://github.com/hybridauth/hybridauth/https://github.com/hybridauth/hybridauth/issues/1444 https://vuldb.com/?ctiid.352423 https://vuldb.com/?id.352423 https://vuldb.com/?submit.775463