Auth bypass in Checkpoint Gaia Embedded
CVE-2026-50751
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N.
EPSS exploit prediction
EPSS: 0.853 (99.7th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.838 · newest: 0.853 · change: +0.016
Affected products
- Checkpoint Gaia Embedded — versions r81.10.17, r82.00.10
- Checkpoint Gaia OS — versions r81.20, r82, r82.10
- Checkpoint Quantum Security Gateway — versions R82.10 with Jumbo Hotfix Take 19 or below, R82 with Jumbo Hotfix Take 103 or below, R81.20 with Jumbo Hotfix Take 141 or below
- Checkpoint Quantum Spark 1530
- Checkpoint Quantum Spark 1535
- Checkpoint Quantum Spark 1550
- Checkpoint Quantum Spark 1555
- Checkpoint Quantum Spark 1570
- Checkpoint Quantum Spark 1570r
- Checkpoint Quantum Spark 1575
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
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.
Known ransomware campaign use: yes.
Public proof-of-concept exploits
- watchtowrlabs/watchTowr-vs-Check-Point-CVE-2026-50751
- 0xBlackash/CVE-2026-50751
- uLl0a/CVE-2026-50751
- WadesWeaponShed/CheckPoint-CVE-Webscanner
- WadesWeaponShed/CVE-2026-50751-Mitigation-Scripts
- hlkysipv/CVE-2026-50751-Check-Point-IKEv1-Authentication-Bypass
- fevar54/CVE-2026-50751---Check-Point-IKEv1-Authentication-Bypass-Exploit
- e4zyy/Project-CVE-2026-50751
- bolubey/CVE-2026-50751
- fernstedt/CVE-2026-50751
References
- support.checkpoint.com/results/sk/sk185033 (Patch, Mitigation, Vendor Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Vendor Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2026-50751?
- CVE-2026-50751 is a critical-severity vulnerability in Checkpoint Gaia Embedded, classified under Improper Authentication. CVSS score: 9.3/10. Published 2026-06-08.
- How severe is CVE-2026-50751?
- Critical severity. CVSS v3 base score is 9.3 out of 10.
- Is CVE-2026-50751 known to be exploited?
- Yes. CVE-2026-50751 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-06-08), indicating it is being actively exploited. 10 public proof-of-concept repositories are indexed.