CVE-2026-44277
Fortinet FortiAuthenticator Command Injection Vulnerability
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.
INFO
Published Date :
May 12, 2026, 6:17 p.m.
Last Modified :
May 28, 2026, 10:16 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | 6abe59d8-c742-4dff-8ce8-9b0ca1073da8 | ||||
| CVSS 3.1 | CRITICAL | [email protected] |
Solution
- Upgrade FortiAuthenticator to a patched version.
- Apply vendor-provided security updates.
- Restrict access controls where possible.
Public PoC/Exploit Available at Github
CVE-2026-44277 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-44277.
| URL | Resource |
|---|---|
| https://fortiguard.fortinet.com/psirt/FG-IR-26-128 | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-44277 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-44277
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
CVE-2026-44277
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-44277 vulnerability anywhere in the article.
-
TheCyberThrone
Fortinet Patch Tuesday – May 2026
OverviewFortinet published 11 advisories on Patch Tuesday describing as many bugs, including two dealing with critical-severity code execution security defects. While the company did not tag these two ... Read more
The following table lists the changes that have been made to the
CVE-2026-44277 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 28, 2026
Action Type Old Value New Value Changed 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 <insert attack vector here> 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. -
Initial Analysis by [email protected]
May. 15, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:fortinet:fortiauthenticator:*:*:*:*:*:*:*:* versions from (including) 6.5.0 up to (excluding) 6.5.7 *cpe:2.3:a:fortinet:fortiauthenticator:*:*:*:*:*:*:*:* versions from (including) 6.6.0 up to (excluding) 6.6.9 *cpe:2.3:a:fortinet:fortiauthenticator:*:*:*:*:*:*:*:* versions from (including) 8.0.0 up to (excluding) 8.0.3 *cpe:2.3:a:fortinet:fortiauthenticator:*:*:*:*:*:*:*:* versions from (including) 6.4.0 up to (including) 6.4.10 Added Reference Type Fortinet, Inc.: https://fortiguard.fortinet.com/psirt/FG-IR-26-128 Types: Vendor Advisory -
New CVE Received by [email protected]
May. 12, 2026
Action Type Old Value New Value Added 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 <insert attack vector here> Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-284 Added Reference https://fortiguard.fortinet.com/psirt/FG-IR-26-128