CyberSecBulletin

Fortinet vulnerabilities

We track 474 vulnerabilities in Fortinet products across 60+ products. 468 are rated high or critical, and 32 have been exploited in real attacks. The most recent was published on November 11, 2026.

474vulnerabilities
104critical
364high
32exploited
8.3average CVSS score

Latest Fortinet vulnerabilities

  • 7.6 High severity

    FortiMail: Authorization Bypass Through User-Controlled Key

    CVE-2026-126152Fortinet

    A authorization bypass through user-controlled key vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.6, FortiMail 7.4.0 through 7.4.8, FortiMail 7.2 all versions may allow an authenticated remote attacker to delete arbitrary

  • 7.5 High severity

    FortiMail: Incorrect Implementation of Authentication Algorithm

    CVE-2026-126151Fortinet

    A incorrect implementation of authentication algorithm vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.6, FortiMail 7.4.0 through 7.4.8, FortiMail 7.2 all versions may allow an unauthenticated remote attacker to gain elevat

  • 9.1 Critical severity

    FortiMail: Weak Password Recovery Mechanism for Forgotten Password

    CVE-2026-126150Fortinet

    A weak password recovery mechanism for forgotten password vulnerability in Fortinet FortiMail 8.0.0, FortiMail 7.6.0 through 7.6.5, FortiMail 7.4.0 through 7.4.7, FortiMail 7.2.0 through 7.2.9 may allow an unauthenticated attacker to reset the password of an a

  • 7.5 High severity

    FortiMail: Integer Overflow or Wraparound

    CVE-2026-126149Fortinet

    A integer overflow or wraparound vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.6, FortiMail 7.4.0 through 7.4.8, FortiMail 7.2 all versions may allow a remote unauthenticated attacker to crash the daemon.

  • 9.8 Critical severity

    FortiMail: Improper Neutralization of Special Elements used in an OS Command

    CVE-2026-126148FortinetEPSS 2.44%

    A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.6 may allow an unauthenticated attacker to execute unauthorized code or commands v

  • 9.8 Critical severity

    FortiMail: Improper Limitation of a Pathname to a Restricted Directory

    CVE-2026-126147Fortinet

    A improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.6, FortiMail 7.4.0 through 7.4.8, FortiMail 7.2 all versions may allow an unauthenticated atta

  • 7.2 High severity

    FortiMail: Improper Neutralization of Special Elements used in an OS Command

    CVE-2026-126146Fortinet

    A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.4, FortiMail 7.4.0 through 7.4.6, FortiMail 7.2.0 through 7.2.9, FortiRecorder 7.6

  • 7.2 High severity

    FortiMail: Improper Neutralization of Special Elements used in an OS Command

    CVE-2026-126145Fortinet

    A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.6, FortiMail 7.4.0 through 7.4.8, FortiMail 7.2 all versions may allow an authenti

  • 8.8 High severity

    FortiMail: Improper Neutralization of Special Elements used in an OS Command

    CVE-2026-126144FortinetEPSS 1.06%

    A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.4, FortiMail 7.4.0 through 7.4.6, FortiMail 7.2 all versions, FortiRecorder 7.6.0

  • 8.1 High severity

    FortiOS: Improper Certificate Validation

    CVE-2026-121528Fortinet

    A improper certificate validation vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2.0 through 7.2.13, FortiOS 7.0 all versions, FortiOS 6.4 all versions may allow a remote and unauthenticated attacker to perform a

  • 9.8 Critical severity

    FortiManager: Improper Authorization

    CVE-2026-126261Fortinet

    A improper authorization vulnerability in Fortinet FortiManager 8.0.0, FortiManager 7.6.0 through 7.6.7, FortiManager 7.4.0 through 7.4.5, FortiManager 7.2.0 through 7.2.8 may allow an unauthenticated attacker that can reach the FGFM port to execute code or co

  • 8.8 High severity

    FortiSandbox: Improper Neutralization of Input During Web Page Generation

    CVE-2026-26248Fortinet

    A improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.5, FortiSandbox 4.4.0 through 4.4.8, FortiSandbox 4.2 all versions, FortiSandbox Cloud 5.0.4 through 5.0.5, FortiSan

  • 9.6 Critical severity

    FortiClientMac: Origin Validation Error

    CVE-2026-121529Fortinet

    A origin validation error vulnerability in Fortinet FortiClientMac 7.4.0 through 7.4.7, FortiClientWindows 7.4.0 through 7.4.7, FortiClientWindows 7.2.0 through 7.2.14, FortiClientWindowsPAM 7.4.7, FortiClientWindowsPAM 7.2.14 may allow an unauthorized remote

  • 8.1 High severity

    FortiManager: Improper Limitation of a Pathname to a Restricted Directory

    CVE-2025-61625Fortinet

    An improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Fortinet FortiAnalyzer 7.6.0 through 7.6.4, FortiAnalyzer 7.4.0 through 7.4.7, FortiAnalyzer 7.2.0 through 7.2.11, FortiManager 7.6.0 through 7.6.4, FortiManager

  • 7.5 High severity

    FortiOS: Improper Locking

    CVE-2026-106174Fortinet

    A improper locking vulnerability in Fortinet FortiOS 8.0.0, FortiOS 7.6.4 through 7.6.6 may allow an unauthenticated attacker with network access to the device to cause a denial of service of the HTTPS management interface via crafted HTTP requests.

  • 9.8 Critical severity

    FortiSandbox: Authentication Bypass Using an Alternate Path or Channel

    CVE-2026-107656Fortinet

    An authentication bypass using an alternate path or channel vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.6, FortiSandbox 4.4.0 through 4.4.9, FortiSandbox 4.2 all versions, FortiSandbox PaaS 5.0.0 through 5.0.6, FortiSandbox PaaS 4.4 all versions,

  • 7.2 High severity

    FortiManager Cloud: Improper Neutralization of Special Elements used in an SQL Command

    CVE-2026-23707Fortinet

    An Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability [CWE-89] vulnerability in Fortinet FortiAnalyzer 7.6.0 through 7.6.4, FortiAnalyzer 7.4.0 through 7.4.7, FortiAnalyzer 7.2 all versions, FortiAnalyzer Cloud 7

  • 7.2 High severity

    FortiAnalyzer: Improper Neutralization of Special Elements used in an SQL Command

    CVE-2026-23705Fortinet

    An Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability [CWE-89] vulnerability in Fortinet FortiAnalyzer 7.6.0 through 7.6.2, FortiAnalyzer 7.4.0 through 7.4.6, FortiAnalyzer 7.2.0 through 7.2.13, FortiManager 7.4.

  • 9.8 Critical severity

    FortiSIEM: Improper Limitation of a Pathname to a Restricted Directory

    CVE-2026-106173Fortinet

    A improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Fortinet FortiSIEM 7.5.0, FortiSIEM 7.4 all versions, FortiSIEM 7.3 all versions, FortiSIEM 7.2 all versions, FortiSIEM 7.1 all versions, FortiSIEM 7.0 all versio

  • 8.8 High severity

    FortiMail: Improper Neutralization of Special Elements used in an SQL Command

    CVE-2025-57739Fortinet

    An improper neutralization of special elements used in an SQL Command ("SQL Injection") vulnerability [CWE-89] vulnerability in Fortinet FortiMail 7.6.0 through 7.6.3, FortiMail 7.4.0 through 7.4.5, FortiMail 7.2.0 through 7.2.8 allows an authenticated attacke

  • 8.8 High severity

    FortiAnalyzer Cloud: Improper Neutralization of Special Elements used in an SQL Command

    CVE-2025-46773Fortinet

    An Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability [CWE-89] vulnerability in Fortinet FortiAnalyzer 7.6.0 through 7.6.4, FortiAnalyzer 7.4.0 through 7.4.7, FortiAnalyzer 7.2 all versions, FortiAnalyzer Cloud 7

  • 9.8 Critical severity

    Fortinet FortiMail Path Traversal Exploited

    CVE-2026-104286FortinetEPSS 4.57%

    An improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.6, FortiMail 7.4.0 through 7.4.8, FortiMail 7.2.0 through 7.2.9, FortiMail 7.0 all versions m

  • 9.6 Critical severity

    FortiPAM Chrome Extension: Improper Restriction of Rendered UI Layers or Frames

    CVE-2026-84388Fortinet

    A improper restriction of rendered ui layers or frames vulnerability in Fortinet FortiPAM Chrome Extension 8.0 all versions may allow attacker to information disclosure via remote unauthenticated attack

  • 9.8 Critical severity

    FortiMonitorOnSight: Inclusion of Sensitive Information in Source Code

    CVE-2026-84390Fortinet

    A inclusion of sensitive information in source code vulnerability in Fortinet FortiMonitorOnSight 7.2.4 through 7.2.7, FortiMonitorOnSight 7.2.0 through 7.2.2 may allow attacker to improper access control via <insert attack vector here>

  • 8.1 High severity

    FortiOS: Improper Validation of Certificate with Host Mismatch

    CVE-2026-84393Fortinet

    A improper validation of certificate with host mismatch vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6, FortiProxy 7.6.2 through 7.6.6 may allow attacker to information disclosure via <insert attack vector here>

  • 7.2 High severity

    FortiSandbox: Improper Neutralization of Special Elements used in a Command

    CVE-2026-84387FortinetEPSS 1.56%

    An Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability [CWE-77] vulnerability in Fortinet FortiSandbox 5.2.0, FortiSandbox 5.0.0 through 5.0.6, FortiSandbox 4.4.0 through 4.4.9, FortiSandbox 4.2 all versions may al

  • 9.9 Critical severity

    FortiSandbox: Improper Access Control

    CVE-2026-26084Fortinet

    A improper access control vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.5, FortiSandbox 4.4.0 through 4.4.8, FortiSandbox 4.2 all versions, FortiSandbox Cloud 5.0.4 through 5.0.5, FortiSandbox PaaS 5.0.4 through 5.0.5 may allow attacker to access se

  • 8.1 High severity

    FortiOS: Stack-based Buffer Overflow

    CVE-2026-71407Fortinet

    A Stack-based Buffer Overflow vulnerability [CWE-121] vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6 may allow an unauthenticated attacker who can bypass stack protection and ASLR to execute arbitrary code or commands in the context of the WAD daemon vi

  • 8.1 High severity

    FortiManager: Authentication Bypass Using an Alternate Path or Channel

    CVE-2026-70468Fortinet

    A authentication bypass using an alternate path or channel vulnerability in Fortinet FortiManager 7.6.1, FortiManager 7.4.3 through 7.4.5, FortiManager 7.2.5 through 7.2.9, FortiManager Cloud 7.6.1, FortiManager Cloud 7.4.3 through 7.4.5, FortiManager Cloud 7.

  • 9.8 Critical severity

    FortiWeb: Improper Authentication

    CVE-2026-26035Fortinet

    An Improper Authentication vulnerability [CWE-287] vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.2, FortiWeb 7.6.0 through 7.6.6, FortiWeb 7.4.0 through 7.4.11, FortiWeb 7.2.0 through 7.2.12, FortiWeb 7.0.0 through 7.0.12 may allow a remote unauthentica

  • 8.1 High severity

    FortiClientWindows: Buffer Copy without Checking Size of Input

    CVE-2026-70465Fortinet

    A buffer copy without checking size of input ('classic buffer overflow') vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.3, FortiClientWindows 7.2.0 through 7.2.11 may allow an unauthenticated attacker in a position to alter or craft DNS respons

  • 7.5 High severity

    FortiSIEMWindowsAgent: Improper Restriction of Communication Channel to Intended Endpoints

    CVE-2026-59841Fortinet

    A improper restriction of communication channel to intended endpoints vulnerability in Fortinet FortiSIEMWindowsAgent 7.4.0 through 7.4.1 may allow attacker to escalation of privilege via <insert attack vector here>

  • 9.8 Critical severity

    FortiClientEMS: Improper Certificate Validation

    CVE-2026-59836Fortinet

    A improper certificate validation vulnerability in Fortinet FortiClientEMS 7.4.3 through 7.4.5, FortiClientEMS 7.4.0 through 7.4.1, FortiClientEMS 7.2 all versions may allow attacker to information disclosure via <insert attack vector here>

  • 8.6 High severity

    FortiSandbox: Exposure of Resource to Wrong Sphere

    CVE-2026-59835Fortinet

    A exposure of resource to wrong sphere vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.2, FortiSandbox 4.4.3 through 4.4.8 may allow an unauthenticated attacker to access the VNC server of VMs performing scanning via network requests.

  • 7.5 High severity

    FortiAuthenticator: Out-of-bounds Read

    CVE-2025-53379Fortinet

    A out-of-bounds read vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.2, FortiAuthenticator 6.5 all versions may allow a remote unauthenticated attacker to retrieve sensitive information via a specially crafted request.

  • 9.8 Critical severity

    Fortinet FortiSandbox OS Command Injection Exploited

    CVE-2026-25089FortinetEPSS 76.1%

    A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.5, FortiSandbox 4.4.0 through 4.4.8, FortiSandbox 4.2 all versions, FortiSandbox Cloud 5.0.4 through 5.0.5, Fo

  • 9.8 Critical severity

    FortiAuthenticator: Improper Access Control

    CVE-2026-44277Fortinet

    A improper access control vulnerability in Fortinet FortiAuthenticator 8.0.2, FortiAuthenticator 8.0.0, FortiAuthenticator 6.6.0 through 6.6.8, FortiAuthenticator 6.5.0 through 6.5.6, FortiAuthenticator 6.4.0 through 6.4.10 may allow attacker to execute unauth

  • 9.8 Critical severity

    FortiSandbox: Missing Authorization

    CVE-2026-26083Fortinet

    A missing authorization vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.1, FortiSandbox 4.4.0 through 4.4.8, FortiSandbox 4.2 all versions, FortiSandbox Cloud 5.0.0 through 5.0.1, FortiSandbox Cloud 4.4.5 through 4.4.8, FortiSandbox PaaS 23.4 all vers

  • 8.8 High severity

    FortiNDR: Improper Neutralization of Special Elements used in an SQL Command

    CVE-2026-25088Fortinet

    An improper neutralization of special elements used in an sql command ('sql injection') vulnerability in Fortinet FortiNDR 7.6.0 through 7.6.2, FortiNDR 7.4.0 through 7.4.9, FortiNDR 7.2 all versions, FortiNDR 7.1 all versions, FortiNDR 7.0 all versions may al

  • 8.8 High severity

    FortiOS: Out-of-bounds Write

    CVE-2025-53844Fortinet

    A out-of-bounds write vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11 allows attacker to execute unauthorized code or commands via specially crafted packets.