CVE-2026-50751: Check Point Security Gateway Improper Authentication Vulnerability
Advisory generated from the CVE record, CISA, Exploit Observer and VEDAS: what it is, whether it is exploited, who is affected, and how to fix and detect it.
Generated by VEDAS. Scores as of 2026-11-01 19:19 UTC. Rebuilt every few hours from cve-scores, CISA KEV and vedas-signatures. How this works and its limits.
What it is
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.
Description quoted from the CVE record (assigned by checkpoint, published 2026-06-08).
Weakness: CWE-287: Improper Authentication.
How it can be exploited
Exploitable over the network with low attack complexity needing no privileges and no user interaction. Impact: confidentiality high, integrity low, availability none. CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N
CISA assessment (SSVC): CISA assesses exploitation as active. Automatable: yes. Technical impact: total.
- On CISA KEV since
- 2026-06-08
- US federal deadline
- 2026-06-11
- Ransomware use
- Yes
Public exploit evidence (Exploit Observer)
Also known as: BDU:2026-07962, EUVD-2026-35047, GHSA-jqxh-x9f5-wcgw
VEDAS cluster: VEDAS:DRAGRIDE
Exploit Observer links 9 pieces of public exploit code or detection modules that name this CVE or one of its aliases.
Exploit code and modules (9)
Code that names this CVE. A repository can be a working exploit, a scanner, a fake or malware; read it before running anything.
- Nuclei template: https://raw.githubusercontent.com/projectdiscovery/nuclei-templates/main/http/cves/2026/CVE-2026-50751.yaml
- Code repository: https://github.com/0xblackash/cve-2026-50751
- Code repository: https://github.com/e4zyy/project-cve-2026-50751
- Code repository: https://github.com/fernstedt/cve-2026-50751
- Code repository: https://github.com/fevar54/cve-2026-50751---check-point-ikev1-authentication-bypass-exploit
- Code repository: https://github.com/hlkysipv/cve-2026-50751-check-point-ikev1-authentication-bypass
- Code repository: https://github.com/ull0a/cve-2026-50751
- Code repository: https://github.com/wadesweaponshed/cve-2026-50751-mitigation-scripts
- Code repository: https://github.com/watchtowrlabs/watchtowr-vs-check-point-cve-2026-50751
Research and write-ups (1)
- Research or write-up: https://labs.watchtowr.com/marking-your-own-homework-check-point-remote-access-vpn-ikev1-authentication-bypass-cve-2026-50751
Vulnerability databases and vendor advisories (4)
Catalogue entries, not exploit evidence.
- Vulnerability database or vendor advisory: https://euvd.enisa.europa.eu/enisa/EUVD-2026-35047
- Vulnerability database or vendor advisory: https://github.com/advisories/GHSA-jqxh-x9f5-wcgw
- Vulnerability database or vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-50751
- Vulnerability database or vendor advisory: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-50751
6 more references returned by Exploit Observer did not name this CVE or an alias, so they are left out.
VEDAS data as of 2026-11-01T17:12 UTC; fetched 2026-11-02.
Live scores
- EPSS
- 0.853
very likely to be attacked soon - VEDAS
- 0.984
strong exploit evidence - On CISA KEV
- Yes, since 2026-06-08
- Detection rule
- None yet
Thin horizontal line: the “likely” (EPSS 0.10) or “strong” (VEDAS 0.90) threshold. Shaded “no data” areas are periods when cve-scores did not publish.
Who is affected
| Product | Affected | Not affected |
|---|---|---|
| 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 | Not stated |
| checkpoint Spark Firewalls | version R80.20.X, R81.10.X, and R82.00.X | Not stated |
Version ranges exactly as the CVE record states them. “Before X” means X is the first fixed version.
Exploit Observer also maps it to: check_point_software_technologies_ltd. check_point_mobile_access/ssl_vpn, check_point_software_technologies_ltd. check_point_remote_access_vpn, check_point_software_technologies_ltd. check_point_spark, checkpoint gaia_embedded, checkpoint gaia_os.
How to fix it
CISA 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.
Vendor guidance:
- https://blog.checkpoint.com/security/check-point-releases-important-hotfix-for-vulnerabilities-in-deprecated-ikev1-vpn-protocol/ (vendor-advisory)
How to detect it
There is no open VEDAS detection rule for this bug yet. It is listed on the detection gaps page if CISA has confirmed attacks.
Advisories on this CVE
References
Vendor advisories and patches
- https://blog.checkpoint.com/security/check-point-releases-important-hotfix-for-vulnerabilities-in-deprecated-ikev1-vpn-protocol/ (vendor-advisory)
Government sources
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-50751 (government-resource)
Other references
Other databases
Where this comes from
This advisory is generated automatically by VEDAS from: CVE.org record, CISA KEV, cve-scores (EPSS and VEDAS), Exploit Observer. Text in quotes is reproduced from the source; everything else is a fixed template filled with source fields. Nothing here is written by a language model. Check the vendor advisory before acting, and read how VEDAS and Exploit Observer work, and their limits.