CVE-2026-126181

Hard‑coded Credentials Allow Unauthorized FortiGate Configuration‑Sync Mesh Access

Published Nov 11, 2026 CVSS 3.1 · 8 High EPSS < 1% KEV · Not listed

Description

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Fortinet

FortiManager

unaffected

Version	Status	Constraints
`8.0.0`	affected	≤ 8.0.1
`7.6.0`	affected	≤ 7.6.7
`7.4.0`	affected	≤ 7.4.11
`7.2.0`	affected	≤ 7.2.13

No data.

Vendor Product Versions

Fortinet

Fortimanager

Version	Status	Scheme	Platform
`[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	—

Remediation

Vendor Solution

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

Tracking

Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity High

Privileges Required Low

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.130% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://fortiguard.fortinet.com/psirt/FG-IR-26-226

History

Nov 12, 2026 5:00 PM Title updated View changes

Type	Values Removed	Values Added
Title		Hard‑coded Credentials Allow Unauthorized FortiGate Configuration‑Sync Mesh Access

Nov 11, 2026 9:45 PM Description updated. First appearance in the feed. Weaknesses updated. Affected versions updated. Affected vendors updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description		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.
First Time appeared		Fortinet Fortinet fortimanager
Weaknesses		CWE-798
CPEs		cpe:2.3:o:fortinet:fortimanager:7.2.0:::::::* cpe:2.3:o:fortinet:fortimanager:7.2.10:::::::* cpe:2.3:o:fortinet:fortimanager:7.2.11:::::::* cpe:2.3:o:fortinet:fortimanager:7.2.12:::::::* cpe:2.3:o:fortinet:fortimanager:7.2.13:::::::* cpe:2.3:o:fortinet:fortimanager:7.2.1:::::::* cpe:2.3:o:fortinet:fortimanager:7.2.2:::::::* cpe:2.3:o:fortinet:fortimanager:7.2.3:::::::* cpe:2.3:o:fortinet:fortimanager:7.2.4:::::::* cpe:2.3:o:fortinet:fortimanager:7.2.5:::::::* cpe:2.3:o:fortinet:fortimanager:7.2.6:::::::* cpe:2.3:o:fortinet:fortimanager:7.2.7:::::::* cpe:2.3:o:fortinet:fortimanager:7.2.8:::::::* cpe:2.3:o:fortinet:fortimanager:7.2.9:::::::* cpe:2.3:o:fortinet:fortimanager:7.4.0:::::::* cpe:2.3:o:fortinet:fortimanager:7.4.10:::::::* cpe:2.3:o:fortinet:fortimanager:7.4.11:::::::* cpe:2.3:o:fortinet:fortimanager:7.4.1:::::::* cpe:2.3:o:fortinet:fortimanager:7.4.2:::::::* cpe:2.3:o:fortinet:fortimanager:7.4.3:::::::* cpe:2.3:o:fortinet:fortimanager:7.4.4:::::::* cpe:2.3:o:fortinet:fortimanager:7.4.5:::::::* cpe:2.3:o:fortinet:fortimanager:7.4.6:::::::* cpe:2.3:o:fortinet:fortimanager:7.4.7:::::::* cpe:2.3:o:fortinet:fortimanager:7.4.8:::::::* cpe:2.3:o:fortinet:fortimanager:7.4.9:::::::* cpe:2.3:o:fortinet:fortimanager:7.6.0:::::::* cpe:2.3:o:fortinet:fortimanager:7.6.1:::::::* cpe:2.3:o:fortinet:fortimanager:7.6.2:::::::* cpe:2.3:o:fortinet:fortimanager:7.6.3:::::::* cpe:2.3:o:fortinet:fortimanager:7.6.4:::::::* cpe:2.3:o:fortinet:fortimanager:7.6.5:::::::* cpe:2.3:o:fortinet:fortimanager:7.6.6:::::::* cpe:2.3:o:fortinet:fortimanager:7.6.7:::::::* cpe:2.3:o:fortinet:fortimanager:8.0.0:::::::* cpe:2.3:o:fortinet:fortimanager:8.0.1:::::::*
Vendors & Products		Fortinet Fortinet fortimanager
References		https://fortiguard.fortinet.com/psirt/FG-IR-26-226
Metrics		cvssV3_1 `{'score': 8, 'vector': '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'}`