# CVE-2026-126181: CVE-2026-126181

Status: published. Published: 2026-11-11. Updated: 2026-11-11.

A use of hard-coded credentials vulnerability in Fortinet FortiManager 8.0.0 through 8.0.1, FortiManager 7.6.0 through 7.6.7, FortiManager 7.4.0 through 7.4.11, FortiManager 7.2 all versions may allow an adjacent-network authenticated attacker with user permission to join the FGFM configuration-sync mesh of the affected FortiGate deployment via the default pre-shared key.

## Remediation

- fix: Upgrade to FortiManager version 8.0.2 or above
Upgrade to FortiManager version 7.6.8 or above
Upgrade to FortiManager version 7.4.12 or above (source: CNA: fortinet)

## Affected products and versions

- Fortinet / FortiManager: ≥ 8.0.0; ≤ 8.0.1 (affected, semver); ≥ 7.6.0; ≤ 7.6.7 (affected, semver); ≥ 7.4.0; ≤ 7.4.11 (affected, semver); ≥ 7.2.0; ≤ 7.2.13 (affected, semver). Source: CNA: fortinet

## Severity and prioritization

- CVSS 3.1: 8 (high); CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C; source: CNA: fortinet

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-798

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://fortiguard.fortinet.com/psirt/FG-IR-26-226 (CNA: fortinet)

## Provenance

- CNA: fortinet: https://www.cve.org/CVERecord?id=CVE-2026-126181; retrieved 2026-11-11; source updated 2026-11-11

Revision: 7ec3c7d404869264aa9df30ce2fe7b849d0cf4678a7b41d1824cfdc6070007f5

Canonical: https://y2.dev/cve/CVE-2026-126181

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