CVE-2026-44277

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>

CVSS v3.1 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0006

Probability of exploitation

0.19%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-284 CWE-284

Affected Products

Vendor	Product	Versions
fortinet	fortiauthenticator	6.4.0 — 6.4.10
fortinet	fortiauthenticator	6.5.0 — 6.5.7
fortinet	fortiauthenticator	6.6.0 — 6.6.9
fortinet	fortiauthenticator	8.0.0 — 8.0.3

References

Advisories & Patches

https://fortiguard.fortinet.com/psirt/FG-IR-26-128

Frequently Asked Questions

What is CVE-2026-44277? +

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> It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2026-44277? +

CVE-2026-44277 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0006, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-44277? +

CVE-2026-44277 affects products from fortinet, specifically: fortiauthenticator. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-44277? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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