FORTIAUTHENTICATOR · CVE-2026-126248 · Infrastructure
FIX → 8.0.4 · 6.6.11 ✓ verified
Fortinet FortiAuthenticator 8.0.0 through 8.0.3 and 6.6.0 through 6.6.10 may expose stored credentials in responses to HTTPS requests. An unauthenticated attacker could obtain sensitive information, which may include login credentials.
first public Nov 11, 2026 · 2 sources
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Self-hosted FortiAuthenticator appliances or VMs on 8.0.0-8.0.3 or 6.6.0-6.6.10. An unauthenticated attacker who can reach the HTTPS API can obtain sensitive information via HTTPS requests; Fortinet's advisory does not specify which credentials. Teams not running FortiAuthenticator, or on 8.0.4+/6.6.11+, can skip it.
Not affected if outside-stated-versions, patched-version
Who cares fortiauthenticator, fortinet, self-hosted
get system status on the CLI)8.0.0 through 8.0.3 or 6.6.0 through 6.6.10 and the HTTPS interface is reachable by an attackerA insufficiently protected credentials 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 obtain sensitive information via HTTPS requests.
This page as .md · .json · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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Upgrade to 8.0.4 · 6.6.11
Upgrade FortiAuthenticator 8.0.x to 8.0.4 or above; 6.6.x to 6.6.11 or above