CVE-2026-50751
User Authentication Bypass in VPN Remote Access and Mobile Access
- Published
- Updated
- Reserved
- Assigned by
- checkpoint
Description
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.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Check Point Security Gateway Improper Authentication Vulnerability.
- Added
- 8 Jun 2026
- Fix due (US federal)
- 11 Jun 2026
- Used by ransomware
- Known
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Critical9.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N |
| NVDNVD · Analyzed | 3.1 | Critical9.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N |
- EPSS (exploitation in 30 days)
- 85.3% · top 0.3% of all CVEs (5 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: yes · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.3.
Weakness
Affected products
checkpoint · Quantum Security Gateway
- affected R82.10 with Jumbo Hotfix Take 19 or below
- affected R82 with Jumbo Hotfix Take 103 or below
- affected R81.20 with Jumbo Hotfix Take 141 or below
- affected R81.10, R81, and R80.40
- affected R80.20.X, R81.10.X, and R82.00.X
References (3)
- https://support.checkpoint.com/results/sk/sk185033 (opens in a new tab)
- https://blog.checkpoint.com/security/check-point-releases-important-hotfix-for-vulnerabilities-in-deprecated-ikev1-vpn-protocol/ (opens in a new tab)vendor-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-50751 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-50751)Record last updated .