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EPSS 0.6%top 57%

CVE-2026-44277: Execute unauthorized code or commands in Fortinet FortiAuthenticator

0
Critical
VulnerabilityCVE-2026-44277cvecve-2026-44277
Published: 05/12/2026 (05/12/2026, 16:54:05 UTC)
Source: CVE Database V5
Vendor/Project: Fortinet
Product: FortiAuthenticator

Description

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 may allow attacker to execute unauthorized code or commands via crafted requests.

CVSS v3.1

Score 9.1critical

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C

Affected software

Affected versions
=8.0.2=8.0.0=6.6.0=6.5.0=6.4.0

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 05/28/2026, 20:03:56 UTC

Technical Analysis

An improper access control vulnerability exists in Fortinet FortiAuthenticator versions 6.5.0 through 6.6.8 and 8.0.0 through 8.0.2 that may allow an unauthenticated attacker to execute arbitrary code or commands via crafted requests. The vulnerability is rated critical with a CVSS 3.1 base score of 9.1, reflecting its ease of exploitation and severe impact. Fortinet has released an official fix to address this issue.

Potential Impact

Successful exploitation of this vulnerability allows an unauthenticated attacker to execute arbitrary code or commands on the affected FortiAuthenticator devices, potentially leading to full compromise of confidentiality, integrity, and availability of the system. This can result in unauthorized access, data manipulation, or denial of service.

Mitigation Recommendations

An official patch is available from Fortinet to remediate this vulnerability. It is strongly recommended to apply the vendor-provided updates to affected FortiAuthenticator versions immediately. Since this is not a cloud service, remediation depends on the user applying the patch. There are no known exploits in the wild currently, but timely patching is critical to prevent potential attacks.

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Technical Details

Data Version
5.2
Assigner Short Name
fortinet
Date Reserved
2026-05-05T17:24:16.702Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
official-fix

Threat ID: 6a036569cbff5d861008d818

Added to database: 05/12/2026, 17:37:45 UTC

Last enriched: 05/28/2026, 20:03:56 UTC

Last updated: 07/31/2026, 19:22:59 UTC

Views: 87

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