FORTIAUTHENTICATOR · CVE-2026-126249 · Infrastructure
FIX → 8.0.4 · 6.6.11 ✓ verified
FortiAuthenticator, Fortinet's identity and authentication appliance, has an improper privilege management flaw in versions 8.0.0 through 8.0.3 and 6.6.0 through 6.6.10. An attacker who already holds a valid account can raise their privileges beyond what they were granted.
first public Nov 11, 2026 · 2 sources
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Teams running self-hosted FortiAuthenticator 8.0.0-8.0.3 or 6.6.0-6.6.10. The attacker needs a valid authenticated account (CVSS requires high privileges), so risk depends on who holds accounts on the appliance and whether the GUI is reachable. Fortinet found it internally and reports no exploitation.
Not affected if no-fortiauthenticator-in-range
Who cares fortiauthenticator, fortinet, self-hosted
get system status)8.0.0 through 8.0.3 or through A improper privilege management vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an authenticated attacker to escalate privileges.
This page as .md · .json · CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
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6.6.06.6.10Upgrade to 8.0.4 · 6.6.11
8.0.4 or above6.6.11 or above