HybridAuth SSL Curl.php certificate validation
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Attack requirements
- None
- Impact type
- Security bypass, Spoofing
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-287 and CWE-295.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | HybridAuth | 3.12.0; 3.12.1; 3.12.2 | — | No fix listed | CNA |
| — | hybridauth/hybridauth (Packagist) | up to 3.12.2 | — | No fix listed | GHSA-r3hf-q3mf-7h6w |
- HybridAuth Vendor— Affected 3.12.0; 3.12.1; 3.12.2 Fixed in — No fix listed CNA
- hybridauth/hybridauth (Packagist) Vendor— Affected up to 3.12.2 Fixed in — No fix listed GHSA-r3hf-q3mf-7h6w
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-4587
- 2026-10-03 Alias added: GHSA-r3hf-q3mf-7h6w
References
Sources
- CVE-2026-4587 · CVE Program
- CVE-2026-4587 · NVD
- FIRST EPSS
- GHSA-r3hf-q3mf-7h6w · GitHub Advisory Database · CC BY 4.0
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