How severe is CVE-2026-50751?

CVE-2026-50751 has a CVSS 3.x base score of 9.3, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2026-50751 being actively exploited?

Yes. CVE-2026-50751 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2026-06-08, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2026-50751?

CVE-2026-50751 primarily affects Checkpoint Gaia Os. In total, 72 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-50751?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2026-50751 have an EU (EUVD) identifier?

Yes. CVE-2026-50751 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35047. It is also flagged as exploited in the EUVD (since 2026-06-08).

When was CVE-2026-50751 published?

CVE-2026-50751 was published on 2026-06-08 and last updated on 2026-08-04.

CVE-2026-50751

CVE-2026-50751 is a critical-severity vulnerability in Checkpoint Gaia Os with a CVSS 3.x base score of 9.3. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2026-06-08). The underlying weakness is classified as CWE-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.3)
EPSS exploit prediction: 6% (94th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2026-06-08)
EU (EUVD) id: EUVD-2026-35047
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2026-06-08)
Weakness: CWE-287
Affected product: Checkpoint Gaia Os
Published: 2026-06-08
Last modified: 2026-08-04

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-50751?: CVE-2026-50751 has a CVSS 3.x base score of 9.3, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2026-50751 being actively exploited?: Yes. CVE-2026-50751 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2026-06-08, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2026-50751?: CVE-2026-50751 primarily affects Checkpoint Gaia Os. In total, 72 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-50751?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2026-50751 have an EU (EUVD) identifier?: Yes. CVE-2026-50751 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-35047. It is also flagged as exploited in the EUVD (since 2026-06-08).
When was CVE-2026-50751 published?: CVE-2026-50751 was published on 2026-06-08 and last updated on 2026-08-04.

References

Affected products (72)

cpe:2.3:o:checkpoint:gaia_os:*:*:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:-:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_10:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_101:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_103:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_105:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_111:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_113:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_115:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_118:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_119:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_120:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_122:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_126:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_127:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_14:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_141:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_24:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_26:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_38:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_41:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_43:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_45:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_53:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_54:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_65:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_70:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_76:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_79:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_8:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_84:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_89:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_90:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_92:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_96:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_98:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r81.20:take_99:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r82:-:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r82:take_10:*:*:*:*:*:*
cpe:2.3:o:checkpoint:gaia_os:r82:take_103:*:*:*:*:*:*

More vulnerabilities in Checkpoint Gaia Os

CVE-2026-85102 — Critical (CVSS 9.8): Improper certificate trust validation during VPN negotiation in Check Point Quantum Security Gateway may allow an…
CVE-2024-24914 — High (CVSS 8.0): Authenticated Gaia users can inject code or commands by global variables through special HTTP requests. A Security fix…
CVE-2021-30361 — Medium (CVSS 6.7): The Check Point Gaia Portal's GUI Clients allowed authenticated administrators with permission for the GUI Clients…
CVE-2013-7311 — Medium (CVSS 5.4): The OSPF implementation in Check Point Gaia OS R75.X and R76 and IPSO OS 6.2 R75.X and R76 does not consider the…
CVE-2024-24911 — Medium (CVSS 5.3): In rare scenarios, the cpca process on the Security Management Server / Domain Management Server may exit unexpectedly,…

All CVEs affecting Checkpoint Gaia Os →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-101077 — Critical (CVSS 10.0): A flaw has been found in Netcore NR289-GE 1.4.5102. This impacts the function process_request of the component boa_temp…
CVE-2026-100886 — Critical (CVSS 10.0): A vulnerability was identified in Seetong T8108, T8108P, T8116 and T8232 4.6.1.4-build202604241011. The affected…
CVE-2026-77244 — Critical (CVSS 10.0): MCP Atlassian is a Model Context Protocol (MCP) server for Atlassian products (Confluence and Jira). Prior to 0.22.0,…
CVE-2026-94493 — Critical (CVSS 10.0): A vulnerability was detected in Gigatech PDV5701 1.0.31_240305_112640. This issue affects some unknown processing of…
CVE-2026-83099 — Critical (CVSS 10.0): Vulnerability in the Oracle Forms product of Oracle Fusion Middleware (component: Forms Services, C/S, Charmode).…
CVE-2026-83059 — Critical (CVSS 10.0): Vulnerability in the Oracle Internet Directory product of Oracle Fusion Middleware (component: OID LDAP Server).…

Browse all CWE-287 (Improper Authentication) vulnerabilities →