CVE-2025-53379

HighCVSS 7.5/10Last modified Sep 29, 2026

Description

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-125

Affected software

Vendor	Product	Versions
Fortinet	FortiAuthenticator	>= 6.6.0, <= 6.6.2; >= 6.5.0, <= 6.5.7; >= 6.4.0, <= 6.4.11; >= 6.3.0, <= 6.3.5

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-146Vendor Advisory

Timeline

Published: Jul 14, 2026
Last modified: Sep 29, 2026
NVD status: Analyzed

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