HIGHCVSS v3.1 7.5Vulnerability

CVE-2026-126239

A stack-based buffer overflow 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 crash the FSSO subsystem via crafted http requests

Properties

Severity
HIGH
Nvd fetched at
2026-11-11T23:49:45.533241+00:00
Cvss severity
HIGH
Cvss score
7.5
Retrieved at
2026-11-11T23:50:19+00:00
Score
7.5
Cvss version
3.1
Last source
NVD
Cve id
CVE-2026-126239
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
First seen by Signal
2026-11-11T23:46:42+00:00
Name
CVE-2026-126239
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published at
2026-11-11T22:17:23.460
Last modified
2026-11-11T22:17:23.460

Related Entities (1)

HAS_WEAKNESS (1)

Related research

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CVE-2026-126239 (CVSS v3.1 7.5) — Ninja Signal Threat Intelligence | Ninja Signal