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CVE-2026-126240

high

A improper neutralization of special elements used in an ldap query ('ldap injection') vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiA…

A improper neutralization of special elements used in an ldap query ('ldap injection') 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 bypass authentication. Successful exploitation requires either a malicious/compromised upstream IdP, or an IdP configuration that allows the user to control the NameID (or the SAML attribute used as the username).

CVSS
8.2
8.2 (CVSS v3.1)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
Severity source: NVD CVSS v3.1 (psirt@fortinet.com)
Timeline (UTC)
Published: 2026-11-11 22:17
Modified: 2026-11-11 22:17
NVD status: Received
Last synced 4 hours ago
Verified against the source API 2026-11-11 22:42 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

Not reported by the source (unknown — not "none").

Weakness classification (CWE)

CWE-90

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

No vendor advisory or patch reference tagged by NVD. Check the references below.

References

Data sources

NVD CVE API 2.0 — fetched 2026-11-11 22:42 UTC · record ↗

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