CVE-2026-50751 (GCVE-0-2026-50751)
Vulnerability from cvelistv5
Published
2026-06-08 11:07
Modified
2026-08-04 03:56
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-287 - Improper Authentication.
Summary
A logic flow weakness in Remote Access and Mobile Access certificate validation in deprecated IKEv1 key exchange allows an unauthenticated remote attacker to bypass user authentication and establish a remote access VPN connection without a valid user password.
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| checkpoint | Quantum Security Gateway |
Version: R82.10 with Jumbo Hotfix Take 19 or below Version: R82 with Jumbo Hotfix Take 103 or below Version: R81.20 with Jumbo Hotfix Take 141 or below Version: R81.10, R81, and R80.40 |
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CISA Known Exploited Vulnerability
Data from the CISA Known Exploited Vulnerabilities Catalog
Date added: 2026-06-08
Due date: 2026-06-11
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Used in ransomware: Known
Notes: https://blog.checkpoint.com/security/check-point-releases-important-hotfix-for-vulnerabilities-in-deprecated-ikev1-vpn-protocol/ ; https://support.checkpoint.com/results/sk/sk185033?_gl=1*1wqeqhc*_gcl_au*MTI1MzE5MjI2LjE3ODA5MzQ1NTM. ; https://nvd.nist.gov/vuln/detail/CVE-2026-50751
{
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"references": [
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}
],
"title": "User Authentication Bypass in VPN Remote Access and Mobile Access"
}
},
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"dateReserved": "2026-06-07T09:42:08.251Z",
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"state": "PUBLISHED"
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"dueDate": "2026-06-11",
"knownRansomwareCampaignUse": "Known",
"notes": "https://blog.checkpoint.com/security/check-point-releases-important-hotfix-for-vulnerabilities-in-deprecated-ikev1-vpn-protocol/ ; https://support.checkpoint.com/results/sk/sk185033?_gl=1*1wqeqhc*_gcl_au*MTI1MzE5MjI2LjE3ODA5MzQ1NTM. ; https://nvd.nist.gov/vuln/detail/CVE-2026-50751",
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"vendorProject": "Check Point",
"vulnerabilityName": "Check Point Security Gateway Improper Authentication Vulnerability"
},
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}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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