CVE-2026-4587 | THREATINT

Description

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.

PUBLISHED Reserved 2026-03-22 | Published 2026-03-23 | Updated 2026-03-23 | Assigner VulDB

MEDIUM: 6.3CVSS: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

LOW: 3.7CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:X/RL:X/RC:R

LOW: 3.7CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:X/RL:X/RC:R

2.6AV:N/AC:H/Au:N/C:N/I:P/A:N/E:ND/RL:ND/RC:UR

Problem types

Improper Certificate Validation

Improper Authentication

Timeline

2026-03-22:	Advisory disclosed
2026-03-22:	VulDB entry created
2026-03-22:	VulDB entry last update

Credits

jstyles (VulDB User) reporter

References

vuldb.com/?id.352423 (VDB-352423 | HybridAuth SSL Curl.php certificate validation) vdb-entry technical-description

vuldb.com/?ctiid.352423 (VDB-352423 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.775463 (Submit #775463 | hybridauth >2.2.0 Improper Certificate Validation (CWE-295)) third-party-advisory

github.com/hybridauth/hybridauth/issues/1444 issue-tracking

github.com/hybridauth/hybridauth/ product

cve.org (CVE-2026-4587)

nvd.nist.gov (CVE-2026-4587)

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