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CVE-2026-50751

CRITICAL 9.3 KNOWN EXPLOITED RANSOMWARE PoC CATALOGUED DETECTION TEMPLATE ALL-YEARS

Published 2026-06-08 · Last modified 2026-08-04 · checkpoint · NVD: Analyzed

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.

ACTIVELY EXPLOITED

Confirmed exploited in the wild — in CISA KEV since 2026-06-08, linked to ransomware campaigns. Patch or mitigate now.

Exploitation likelihood

85.3%chance of exploitation in 30 days · 100th percentile

● In CISA KEV (2026-06-08)● Catalogued PoC◆ SSVC: exploitation active, automatable yes

Impact if exploited

9.3CVSS 3.1 · CRITICAL · ADP

  • ConfidentialityHigh
  • IntegrityLow
  • AvailabilityNone

What an attacker needs

  • ✓Access: Reachable over the network — no local access needed
  • ✓Privileges: No account or privileges required
  • ✓User interaction: No user interaction needed
  • ✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept

Public PoC or exploit resources are catalogued below.

Listed by the named source; Vulnpedia has not tested these resources.

PoC data: JSON

Detection templates

Detection checks are listed separately from PoCs.

Resource commands

nuclei -id CVE-2026-50751 -u https://TARGETDetection template — review its checks and affected versions before use.
curl -s https://vulnpedia.com/cve/CVE-2026-50751/poc.jsonMachine-readable PoC index for this CVE (for automation).

Search for new PoCs

Search GitHub now — results may be empty or unverified.

Tracked sources are checked weekly for the full archive, including PoCs published after the original disclosure. A later release appears after a tracked source lists it and a refresh succeeds.

Data snapshot:

Affected

Vendors Checkpoint

Products Quantum Security Gateway Spark Firewalls Gaia Os Gaia Embedded Quantum Spark 1530 Quantum Spark 1550 Quantum Spark 1570 Quantum Spark 1570r Quantum Spark 1590 Quantum Spark 1595r Quantum Spark 1600 Quantum Spark 1800 Quantum Spark 1900 Quantum Spark 2000 Quantum Spark 1535 Quantum Spark 1555 Quantum Spark 1575 Quantum Spark 1575r Quantum Spark 2530 Quantum Spark 2550 Quantum Spark 2560 Quantum Spark 2570 Quantum Spark 2580 Quantum Spark 2590

Weakness (CWE)

  • CWE-287: : Improper Authentication.

CVSS vector

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

References and research data (JSON)

Unverified PoC candidates

Catalogue matches for further research. These repositories have not been validated as working exploits.

8 candidates

Additional exploitation reports

Source-specific reports, separate from CISA KEV. Repeated observations from one source are not independent confirmations.

12 more source reports

Known Affected Software Configurations

VendorProductVersion range
CheckpointGaia Os≥ r80.40 and < r81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr81.20
CheckpointGaia Osr82
CheckpointGaia Osr82
CheckpointGaia Osr82
CheckpointGaia Osr82
CheckpointGaia Osr82
CheckpointGaia Osr82
CheckpointGaia Osr82
CheckpointGaia Osr82
CheckpointGaia Osr82
CheckpointGaia Osr82
CheckpointGaia Osr82
CheckpointGaia Osr82
CheckpointGaia Osr82
CheckpointGaia Osr82
CheckpointGaia Osr82
CheckpointGaia Osr82
CheckpointGaia Osr82
CheckpointGaia Osr82
CheckpointGaia Osr82.10
CheckpointGaia Osr82.10
CheckpointGaia Osr82.10
CheckpointGaia Embedded≥ r80.20.00 and < r81.10.17
CheckpointGaia Embeddedr81.10.17
CheckpointGaia Embeddedr81.10.17
CheckpointGaia Embeddedr81.10.17
CheckpointGaia Embeddedr81.10.17
CheckpointGaia Embeddedr81.10.17
CheckpointGaia Embeddedr81.10.17
CheckpointGaia Embedded≥ r80.20.00 and < r82.00.10
CheckpointGaia Embeddedr82.00.10
CheckpointGaia Embeddedr82.00.10
CheckpointGaia Embeddedr82.00.10
CheckpointGaia Embeddedr82.00.10
CheckpointGaia Embeddedr82.00.10
CheckpointGaia Embeddedr82.00.10
CheckpointGaia Embeddedr82.00.10

All CVSS metrics

  • CRITICAL 9.3 v3.1 · ADP Primary
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N
  • CRITICAL 9.3 v3.1 · NVD Secondary
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N

References

Patches & mitigations

Advisories

Technical & other

Sources: NVD · CVE.org · All sources and attribution · EPSS