Which products and versions are affected by CVE-2026-50751?

Affected: Gaia Embedded (Checkpoint) versions r81.10.17, r81.10.17-build_996004508, r81.10.17-build_996004620, r81.10.17-build_996004653, r81.10.17-build_996004721, r81.10.17-build_996004892, r82.00.10, r82.00.10-build_998001559; Gaia OS (Checkpoint) versions r81.20, r81.20-take_10, r81.20-take_101, r81.20-take_103, r81.20-take_105, r81.20-take_111, r81.20-take_113, r81.20-take_115; Quantum Security Gateway versions >= R82.10 with Jumbo Hotfix Take 19 or below, among others. The full list is in the CVE brief.

Is CVE-2026-50751 being exploited in the wild?

It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jun 8, 2026 and is known to be used in ransomware campaigns.

Is CVE-2026-50751 in the CISA KEV catalog?

Yes. It was added on Jun 8, 2026 with a federal remediation due date of Jun 11, 2026.

Is there a public exploit for CVE-2026-50751?

Public exploit code is available.

Is there a fix for CVE-2026-50751?

Fixed versions are available, including Gaia Embedded r81.10.17, Gaia Embedded r82.00.10, Gaia OS r81.20.

How urgently should CVE-2026-50751 be patched?

Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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Vulnerability Intelligence

CVE-2026-50751

CriticalExploitedPublic exploit

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.

Published Jun 8, 2026 · Updated Aug 4, 2026

Key Facts

Patch immediately

CVE-2026-50751 is a critical-severity vulnerability (CVSS 9.3 v3.1) affecting Gaia Embedded (Checkpoint), Gaia OS (Checkpoint), Quantum Security Gateway and 1 more product.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jun 8, 2026 and is known to be used in ransomware campaigns. Public exploit code is available.
EPSS estimates a 85% probability of exploitation in the next 30 days.
Fixed versions are available, including Gaia Embedded r81.10.17, Gaia Embedded r82.00.10, Gaia OS r81.20.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

9.3

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N

EPSS (30-day exploit likelihood)

85%

Higher than 99.7% of all scored CVEs

Exploited in the wild

Yes

4 catalog listings, used by ransomware

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2026-50751 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Known-Exploited Catalog Listings

Catalog	Added	Remediation due	Ransomware use
CISA KEV	Jun 8, 2026	Jun 11, 2026	Known
Industry KEV feed	Jun 8, 2026	Jun 11, 2026	Known
CIRCL KEV	Jun 8, 2026	Jun 11, 2026	Not reported
ENISA EUVD	Jun 8, 2026	n/a	Not reported

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.

Affected Products

74 affected entries in total

Product	Affected versions	Fixed in
Gaia EmbeddedCheckpoint	r81.10.17, r81.10.17-build_996004508, r81.10.17-build_996004620, r81.10.17-build_996004653, r81.10.17-build_996004721, r81.10.17-build_996004892, r82.00.10, r82.00.10-build_998001559	r81.10.17
Gaia OSCheckpoint	r81.20, r81.20-take_10, r81.20-take_101, r81.20-take_103, r81.20-take_105, r81.20-take_111, r81.20-take_113, r81.20-take_115	r81.20
Quantum Security Gateway	>= R82.10 with Jumbo Hotfix Take 19 or below	n/a
Spark Firewalls	>= R80.20.X, R81.10.X, and R82.00.X	n/a

Patched Releases

Gaia Embedded

r81.10.17, r82.00.10

Gaia OS

r81.20

Timeline

Publicly disclosed
Jun 8, 2026
Added to CISA KEV
Jun 8, 2026
Added to Industry KEV feed
Jun 8, 2026
Added to CIRCL KEV
Jun 8, 2026
Added to ENISA EUVD
Jun 8, 2026
Last updated
Aug 4, 2026

Weakness Type

CWE-287 Improper Authentication

References

4 more references in the full CVE brief

FAQ

Common Questions.

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.
Affected: Gaia Embedded (Checkpoint) versions r81.10.17, r81.10.17-build_996004508, r81.10.17-build_996004620, r81.10.17-build_996004653, r81.10.17-build_996004721, r81.10.17-build_996004892, r82.00.10, r82.00.10-build_998001559; Gaia OS (Checkpoint) versions r81.20, r81.20-take_10, r81.20-take_101, r81.20-take_103, r81.20-take_105, r81.20-take_111, r81.20-take_113, r81.20-take_115; Quantum Security Gateway versions >= R82.10 with Jumbo Hotfix Take 19 or below, among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jun 8, 2026 and is known to be used in ransomware campaigns.
Yes. It was added on Jun 8, 2026 with a federal remediation due date of Jun 11, 2026.
Public exploit code is available.
Fixed versions are available, including Gaia Embedded r81.10.17, Gaia Embedded r82.00.10, Gaia OS r81.20.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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