← Back to results
Vulnerability record · public intelligence
CVE-2026-4587
MEDIUM

HybridAuth Has Improper SSL Certificate Validation in Curl HTTP Client

Published Mar 23, 2026 · Updated Nov 3, 2026

Severity · CVSSMEDIUM · Not scored
Known exploitationNot listed
EPSS / likelihood0.19%
QFinch risk scoreNot available

Original summary

Normalized public record · Updated Nov 3, 2026

HybridAuth Has Improper SSL Certificate Validation in Curl HTTP Client

Publisher and source text is retained separately from QFinch interpretation.

QFinch assessment

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.

Evidence: public source records

Affected products

Affected scope reported by the available public evidence
Affected package, product or rangeFix status
Consult the referenced vendor advisory for affected versions.Consult source advisory

Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.

Remediation

Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.

  1. Confirm the affected product and reachable code path exist in your environment.
  2. Apply the vendor-supported patch or mitigation from the primary advisory.
  3. Rescan the exact deployed revision and retain verification evidence.
Review primary references

Evidence coverage

FIRST-EPSSCVE-LIST-V5
SSVC priority
LOW
Confidence
Not available
Aliases
None reported

Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.

Sources and record history

  1. VDB-352423 | HybridAuth SSL Curl.php certificate validation ↗
  2. VDB-352423 | CTI Indicators (IOB, IOC, TTP, IOA) ↗
  3. Submit #775463 | hybridauth >2.2.0 Improper Certificate Validation (CWE-295) ↗
  4. Source repository ↗
  5. Source repository ↗

Record history

Published Mar 23, 2026 · Last refreshed Nov 3, 2026