Security Advisory – Action Required – Active Exploitation of CVE-2026-85102 and a Management Pre-Authentication Vulnerability CVE-2026-93616
As part of Check Point’s Frontier AI Readiness Program, we continue to release Jumbo hotfixes with security fixes and hardening improvements for our Firewall and Management products. This advisory addresses the active exploitation described below, and the immediate steps customers should take to protect affected systems.
Check Point Research has identified active exploitation of two vulnerabilities affecting Security Gateway and Security Management: A fix for CVE-2026-85102 has been available since September 9, and customers who have applied it are already protected. CVE-2026-93616 is a newly discovered zero-day vulnerability in Security Management, and a fix is available now as part of this advisory.
Fixes are available for both vulnerabilities. Customers running affected versions should install the applicable fixes immediately. Affected versions and remediation instructions are detailed below.
CVE-2026-85102: One day exploitation, patch available since September 9
CVE-2026-85102 is a pre-authentication remote code execution vulnerability in Security Gateway’s VPN certificate handling.
Check Point disclosed the vulnerability and released fixes on September 9, 2026. At the time, we had no evidence of exploitation. We are now observing exploitation attempts against Check Point Spark customers globally. Customers who have not yet installed the fix should do so immediately.
CVE-2026-93616: Zero-day, limited exploitation, fix available today
Separately, Check Point Research has identified a handful of pinpointed exploitation of CVE-2026-93616.
This pre-authentication path traversal vulnerability in the Check Point Management web service allows an attacker to execute a script from an arbitrary path and load an arbitrary Java class. A fix is now available, and customers running affected versions should apply it immediately.
CVE details
| CVE | Description | CVSS | Affected Products | Affected Versions | In the Wild | SK |
| CVE-2026-85102 | Improper validation of certificate data during VPN negotiation allows unauthenticated remote code execution | 9.8 | Security Gateway, Spark Firewall (Centrally Managed), Spark Firewall (Locally Managed) | R81 (EOS), R81.10 (EOS), R81.10.X, R81.10.X, R81.20, R82, R82.00.X, R82.00.X, R82.10 | Yes | sk1000117 |
| CVE-2026-93616 | Pre-authentication path traversal in Check Point management web service, leading to arbitrary-path script execution and Java class load | 9.8 | Security Management | R82.20
R82.10 Jumbo Hotfix Take 44 or lower R82 Jumbo Hotfix Take 126 or lower R81.20 Jumbo Hotfix Take 166 or lower R81.10 Jumbo Hotfix Take 190 or lower (EoS) R80, R80.10, R80.20, R80.30, R80.40, R81 (all EoS) Note: Check Point LivePatch Take 28/29 does not address this issue. |
Yes | sk1000171 |
Observed Attacks
CVE-2026-85102
Starting September 12, 2026, we observed a wave of exploitation attempts against Spark customers. The attempts originated from anonymization infrastructure, including VPN services and proxies, and used certificates with the following subjects:
CN=vpn,OU=users,O=global
CN=vpn-user,OU=users,O=global
CN=vpnuser,OU=users,O=global
These are the subjects we have observed so far. The list is not exhaustive, and other certificate subjects may be in use.
CVE-2026-93616
As of the advisory publications date, we observed a handful of pinpointed attacks on July 23, 2026.
Recommendations
CVE-2026-85102
Review your logs for anomalous certificate-based Mobile Access logins. Do not limit the search to the subjects above.
Look for second stage activity originating from suspicious logged-in users via Mobile Access. Follow-up activity often involves internal port and service scan
CVE-2026-93616
Please refer to sk1000171 for recommendations on mitigation, hunting and Indicators of Compromise
Solution
Install the fixes. Full details and remediation steps, including affected configurations, exact takes and builds, validation commands, alternative mitigation steps, and upgrade guidance, are in the advisories below.
https://support.checkpoint.com/results/sk/sk1000117
https://support.checkpoint.com/results/sk/sk1000171
Need support?
If you need help assessing your exposure, applying a mitigation, or installing the fix, contact Check Point Support at checkpoint.com/support-services/contact-support/


