CVEs for Fortigate and FortiAuthenticator
Two security issues have been discovered in the FortiGate and FortiAuthenticator Fortinet products; these are urgent but, fortunately, can be easily resolved with an upgrade.
Fortinet FortiSandbox CVE-2026-39813
Critical vulnerabilities in FortiSandbox (CVE-2026-39813 and CVE-2026-39808) allow unauthenticated access. Systems running versions 4.4.0–4.4.8 and 5.0.0–5.0.5 are vulnerable. An upgrade to FortiSandbox 4.4.9 or 5.0.6 (or later) is necessary to prevent exploitation.
FortiClient EMS – update required
We are informing you about a critical vulnerability in FortiClient EMS (CVSS 9.1) for which an essential update is required. This vulnerability could impact environments where FortiClient EMS is currently in use.
FortiClient – update required
We would like to inform you of a necessary update regarding FortiClient and FortiClient EMS that may impact environments where these solutions are currently being used.
HPE Aruba CX switches
Critical vulnerability (CVSS 9.8) in Aruba AOS-CX switches. Find out which versions are affected and what update is needed to secure your network.
FortiSandbox CVE-2025-52436
FortiSandbox has a security issue in older versions. Update to 5.0.2+ or 4.4.8+. For PaaS, the fix is there in 4.4.8 and 5.0.5.
Administrative FortiCloud SSO authentication bypass - CVE-2026-24858
A flaw in FortiCloud SSO allows an attacker to log into other people's devices with their own FortiCloud account, resulting in full admin access.
Fortinet Vulnerabilities 12/2025
Fortinet has confirmed a critical vulnerability within FortiProxy and FortiSwitch Manager, potentially impacting multiple Fortinet products. This vulnerability could allow attackers to gain unauthorised access to vulnerable systems.
Fortiweb relative path traversal CVE-2025-64446
A serious vulnerability in FortiWeb, a solution from manufacturer Fortinet, has been discovered and should be patched as soon as possible.
Netscaler (Citrix) Vulnerabilities 08/2025
Citrix has reported three serious vulnerabilities in Netscaler. VanRoey is proactively rolling out the update to protect customers immediately and mitigate the impact.
N-Central Vulnerabilities 08/2025
N-Able has fixed two serious vulnerabilities in N-Central. VanRoey is proactively rolling out the update to protect customers immediately and limit the impact.
SharePoint Vulnerability 07/2025
Microsoft recently discovered two critical vulnerabilities in on-premises SharePoint Servers
Ruckus Vulnerability 07/2025
Several Ruckus network products, including ZoneDirector and SmartZone have a vulnerability that needs to be fixed quickly.
Vmware ESXI Vulnerabilities 07/2025
4 actively used zero-day vulnerabilities in multiple VMware products were addressed with key patches.
Critical vulnerabilities in VMware vCenter Server
VMware released a critical security update on 16 May 2025 (VMSA-2025-0010). This advisory contains three vulnerabilities that primarily impact vCenter Server and VMware Cloud Foundation.