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No exploitation reportedAwaiting NVD analysis

CVE-2026-126242

No exploitation reported by the sources we read.

  • Published2026-11-11
  • WeaknessCWE-863

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A incorrect authorization vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an attacker to bypass authentication and gain unauthorized access. Full impersonation however requires the attacker to obtain pre-required id and data via other means.

Timeline

dates in UTC
  1. 2026-11-1121:31CVE publishedCNA

Versions per branch

Products declared by the CNA

As fortinet, the CNA that assigned this CVE, declared them in the CVE record; versions as written. NVD lists no product for this CVE yet: this is the only product data so far.

  • Fortinet FortiAuthenticatorother versions: not affected
    Affected
    • ≥ 8.0.0, ≤ 8.0.3no fix statedsemver
    • ≥ 6.6.0, ≤ 6.6.10no fix statedsemver

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-11-11

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-126242 yet.

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVE record2026-11-11
  • CNACVSS 3.17.42026-11-11
  • CNAweakness (CWE)CWE-8632026-11-11

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:P/RL:O/RC:C
Published
2026-11-11

Frequently asked questions

What is CVE-2026-126242?

A incorrect authorization vulnerability in Fortinet FortiAuthenticator 8.0.0 through 8.0.3, FortiAuthenticator 6.6.0 through 6.6.10 may allow an attacker to bypass authentication and gain unauthorized access. Full impersonation however requires the attacker to obtain pre-required id and data via other means.

Is CVE-2026-126242 actively exploited?

Active exploitation of CVE-2026-126242 has not been confirmed.

What is the CVSS score for CVE-2026-126242?

CVE-2026-126242 has a CVSS v3 base score of 7.4 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N/E:P/RL:O/RC:C.

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