CVE-2026-50751
User Authentication Bypass in VPN Remote Access and Mobile Access
- Critical 9.3
- Exploited: added to CISA KEV 8 Jun 2026
- Used in ransomware campaigns
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.
Key facts
- Published
- 8 Jun 2026
- Last changed
- 4 Aug 2026
- Assigned by
- checkpoint
- KEV added
- 8 Jun 2026
- KEV fix due
- 11 Jun 2026
- Used in ransomware
- Yes, according to CISA
- EPSS
- 85.348% likely to be exploited in the next 30 days, higher than 99.723% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: active; Automatable: yes; Technical impact: total
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 9.3CVSS 3.1, Criticalfrom CISA (ADP container)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N
What to do
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.CISA KEV required action
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| checkpoint | Quantum Security Gateway |
|
| checkpoint | Spark Firewalls |
|
Timeline
- 8 Jun 2026 Added to the CISA KEV catalogue
- 8 Jun 2026 Published