FortiSandbox Archives • Daily CyberSecurity

Fortinet Patches Critical FortiSandbox and FortiSIEM Flaws Among 13 Vulnerabilities

Fortinet vulnerabilities FortiSandbox authentication bypass and FortiSIEM code execution patched in October 2026

Fortinet Patches Critical FortiSandbox and FortiSIEM Flaws Among 13 Vulnerabilities

Do Son October 13, 2026

Thirteen Fortinet vulnerabilities are now fixed, including a CVSS 9.6 FortiSandbox authentication bypass and a 9.4 FortiSIEM flaw. Patch now.

Critical Fortinet Vulnerabilities Expose Networks to Attack Diagram illustrating the three new Fortinet vulnerabilities including CVE-2026-84390 and CVE-2026-26084

Diagram illustrating the three new Fortinet vulnerabilities including CVE-2026-84390 and CVE-2026-26084

Critical Fortinet Vulnerabilities Expose Networks to Attack

Do Son September 8, 2026

Fortinet fixed three critical Fortinet vulnerabilities. Attackers can exploit CVE-2026-84390 and CVE-2026-26084 to access corporate data.

CISA Adds FortiSandbox and SharePoint Flaws to KEV Catalog After Confirming Active Exploitation CISA KEV catalog adds three actively exploited FortiSandbox and SharePoint vulnerabilities

CISA KEV catalog adds three actively exploited FortiSandbox and SharePoint vulnerabilities

CISA Adds FortiSandbox and SharePoint Flaws to KEV Catalog After Confirming Active Exploitation

Do Son July 17, 2026

CISA KEV catalog adds three actively exploited flaws: FortiSandbox CVE-2026-25089, CVE-2026-39808, and SharePoint CVE-2026-58644. Patch by July 19.

Critical FortiSandbox Flaw Requires Immediate Patching CVE-2026-25089 CVE-2023-45590

Critical FortiSandbox Flaw Requires Immediate Patching

Do Son June 10, 2026

An urgent patch fixes the critical CVE-2026-25089 FortiSandbox bug. Attackers can execute remote commands, so update your systems immediately.

Fortinet Critical Alert: 9.1 Severity Flaws in FortiSandbox and FortiAuthenticator Risk Remote Takeover CVE-2023-36553 Fortinet Critical Vulnerabilities FortiSandbox CVE-2026-26083

CVE-2023-36553 Fortinet Critical Vulnerabilities FortiSandbox CVE-2026-26083

Fortinet Critical Alert: 9.1 Severity Flaws in FortiSandbox and FortiAuthenticator Risk Remote Takeover

Do Son May 13, 2026

Urgent: Fortinet warns of 9.1 severity flaws in FortiSandbox (CVE-2026-26083) and FortiAuthenticator (CVE-2026-44277). Patch now to prevent unauthorized RCE.

Root Access Unlocked: FortiSandbox CVE-2026-39808 Details and PoC Exploit Publicly Disclosed FortiSandbox RCE CVE-2026-39808 PoC

Root Access Unlocked: FortiSandbox CVE-2026-39808 Details and PoC Exploit Publicly Disclosed

Do Son April 20, 2026

Critical 9.1 CVSS flaw in FortiSandbox: Full PoC & details for CVE-2026-39808 are now public. Unauthenticated root RCE is possible. Upgrade to 4.4.9 immediately.

Critical 9.1 Flaws Hit Fortinet FortiSandbox FortiSandbox Vulnerability Unauthenticated RCE FortiClient EMS Vulnerability CVE-2026-21643 FortiClient EMS Vulnerability CVE-2026-21643 CVE-2023-34992 - CVE-2023-37936 Fortinet Vulnerabilities CVE-2025-64155

FortiSandbox Vulnerability Unauthenticated RCE FortiClient EMS Vulnerability CVE-2026-21643 FortiClient EMS Vulnerability CVE-2026-21643 CVE-2023-34992 - CVE-2023-37936 Fortinet Vulnerabilities CVE-2025-64155

Critical 9.1 Flaws Hit Fortinet FortiSandbox

Do Son April 15, 2026

Fortinet issues a critical 9.1 CVSS alert for FortiSandbox. Unauthenticated auth bypass and command injection risks. Patch to 5.0.6 or 4.4.9 immediately.

Fortinet Patches Multiple Critical Vulnerabilities Affecting FortiClient, FortiSandbox, FortiOS, and FortiProxy CVE-2026-25089 CVE-2023-45590

Fortinet Patches Multiple Critical Vulnerabilities Affecting FortiClient, FortiSandbox, FortiOS, and FortiProxy

Do Son April 9, 2024

CVE-2023-45590 - A "code injection" flaw in FortiClient Linux could allow an attacker to trick a user into visiting a malicious website