CVE-2026-126238

HIGHCVSS 8.6/10EPSS 0.28%

Last modified

CVE-2026-126238 is a high-severity vulnerability rated 8.6/10 on the CVSS scale. A incorrect authorization vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an unauthenticated attacker to bypass authorization checks and gain unauthorized access to restricted functionality.. EPSS estimates a 0.28% chance of exploitation in the next 30 days.

Description

A incorrect authorization vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an unauthenticated attacker to bypass authorization checks and gain unauthorized access to restricted functionality.

Metrics

EPSS Probability
0.28%

21.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
FortinetFortiAuthenticator>= 8.0.0, <= 8.0.3; >= 6.6.0, <= 6.6.10

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-126238?
A incorrect authorization vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an unauthenticated attacker to bypass authorization checks and gain unauthorized access to restricted functionality.
How severe is CVE-2026-126238?
CVE-2026-126238 has a CVSS score of 8.6/10 (HIGH severity). The EPSS model estimates a 0.28% probability of exploitation in the next 30 days.
How do I fix CVE-2026-126238?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST