A widely used enterprise VPN gateway (Check Point Security Gateway) with a critical unauthenticated VPN access bypass via IKEv1; high disruption risk.
CVE-2026-50751
Unauthenticated bypass of VPN login via IKEv1 in Check Point Security Gateway.
Is CVE-2026-50751 being exploited?
Yes. CVE-2026-50751 appears in CISA's Known Exploited Vulnerabilities catalog, which means exploitation in the wild has been confirmed and reported. Treat it as active rather than theoretical, and patch it ahead of higher-scoring vulnerabilities that carry no exploitation evidence.
How severe is CVE-2026-50751?
CVE-2026-50751 is rated Critical with a CVSS score of 9.3. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-50751?
Yes. A fix has been recorded for CVE-2026-50751. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-50751 affect?
CVE-2026-50751 affects Check Point Security Gateway. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-50751?
Apply vendor mitigations/patch; upgrade or discontinue if unavailable.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated attacker can establish remote VPN access, bypassing user authentication and potentially reach internal networks.
Immediate action required
- affectedR82.10 with Jumbo Hotfix Take 19 or below
- affectedR82 with Jumbo Hotfix Take 103 or below
- affectedR81.20 with Jumbo Hotfix Take 141 or below
- affectedR81.10, R81, and R80.40
- affectedR80.20.X, R81.10.X, and R82.00.X
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.