- 9.3CriticalCVSS base score
- 85.3%Exploitation in 30 daysEPSS · top 0.3% of all CVEs
- YesKnown exploitedin CISA's KEV since 8 Jun 2026
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
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.
ENISA's EU Vulnerability Database lists it as exploited, from CISA's KEV, since 8 Jun 2026.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Nuclei template for it. CISA's SSVC rates its exploitation: it is being exploited.
Show the exploits1
Nuclei templates1 template
- Check Point IKEv1 Remote-Access VPN - Certificate Authentication Bypass (Nuclei template) (opens in a new tab)
http/cves/2026/CVE-2026-50751.yamlSeverity critical
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By checkpoint
- 1 day later
· 1 day later
Published
Added to CISA KEV
Known exploited, also by ransomware
- 57 days later
· 57 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
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 (11 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.
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)
- EUVD EUVD-2026-35047 (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://cveledger.app/cve/CVE-2026-50751)Record last updated .