CVE-2026-50752

🗓️ 08 Jun 2026 11:00:38Reported by checkpointType

cve🔗 web.nvd.nist.gov📰️ 3 Media mentions👁 300 Views

IKEv1 certificate validation bypass enables unauthenticated MITM in VPN site-to-site traffic.

Reporter	Title	Published	Views	Family All 14
ATTACKERKB	CVE-2026-50752	8 Jun 202611:00	–	attackerkb
BDU FSTEC	The vulnerability of the Internet Key Exchange (IKEv1) implementation in Check Point Security Gateways and Check Point Spark Firewalls allows attackers to carry out “man-in-the-middle” attacks and bypass certificate verification in VPN connections.	10 Jun 202600:00	–	bdu_fstec
Circl	CVE-2026-50752	8 Jun 202612:29	–	circl
CNNVD	Check Point Quantum Security Gateway和Check Point Spark Firewalls 信任管理问题漏洞	8 Jun 202600:00	–	cnnvd
CheckPoint Security	CVE-2026-50752 - VPN site to site certificate bypass vulnerability in deprecated IKEv1 key exchange	7 Jun 202600:00	–	checkpoint_security
Cvelist	CVE-2026-50752 Certificate Validation Bypass in VPN Site-to-Site Connections Using IKEv1	8 Jun 202611:00	–	cvelist
EUVD	EUVD-2026-35046	8 Jun 202611:00	–	euvd
NCSC	Vulnerabilities found in Check Point Remote and Mobile Access VPN-products	16 Jun 202613:13	–	ncsc
NVD	CVE-2026-50752	8 Jun 202612:16	–	nvd
Positive Technologies	PT-2026-47277	7 Jun 202600:00	–	ptsecurity

[
  {
    "product": "Quantum Security Gateway",
    "vendor": "checkpoint",
    "versions": [
      {
        "status": "affected",
        "version": "R82.10 with Jumbo Hotfix Take 19 or below"
      },
      {
        "status": "affected",
        "version": "R82 with Jumbo Hotfix Take 103 or below"
      },
      {
        "status": "affected",
        "version": "R81.20 with Jumbo Hotfix Take 141 or below"
      },
      {
        "status": "affected",
        "version": "R81.10, R81, and R80.40"
      }
    ]
  },
  {
    "product": "Spark Firewalls",
    "vendor": "checkpoint",
    "versions": [
      {
        "status": "affected",
        "version": "R80.20.X, R81.10.X, and R82.00.X"
      }
    ]
  }
]

Source	Link
support	www.support.checkpoint.com/results/sk/sk185035

23 Jul 2026 07:10Current

5.8Medium risk

Vulners AI Score5.8

CVSS 3.17.4

EPSS0.04547

SSVC

CWE-295