An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] vulnerability in Fortinet FortiAnalyzer 7.6.0 through 7.6.5, FortiAnalyzer 7.4.0 through 7.4.9, FortiAnalyzer 7.2.0 through 7.2.11, FortiAnalyzer 7.0.0 through 7.0.15, FortiManager 7.6.0 through 7.6.5, FortiManager 7.4.0 through 7.4.9, FortiManager 7.2.0 through 7.2.11, FortiManager 7.0.0 through 7.0.15, FortiOS 7.6.0 through 7.6.5, FortiOS 7.4.0 through 7.4.10, FortiOS 7.2.0 through 7.2.12, FortiOS 7.0.0 through 7.0.18 may allow an attacker with a FortiCloud account and a registered device to log into other devices registered to other accounts, if FortiCloud SSO authentication is enabled on those devices.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is in the KEV database since yesterday.

No EPSS score available.

Exploitation active

Automatable yes

Technical Impact total

Affected Vendors & Products

Vendors Products
Fortinet Subscribe
Fortianalyzer Subscribe
Fortimanager Subscribe
Fortios Subscribe

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

Upgrade to upcoming FortiProxy version 7.6.6 or above Upgrade to upcoming FortiProxy version 7.4.13 or above Upgrade to upcoming FortiAnalyzer version 7.6.6 or above Upgrade to upcoming FortiAnalyzer version 7.4.10 or above Upgrade to upcoming FortiAnalyzer version 7.2.12 or above Upgrade to upcoming FortiAnalyzer version 7.0.16 or above Upgrade to upcoming FortiOS version 8.0.0 or above Upgrade to upcoming FortiOS version 7.6.6 or above Upgrade to upcoming FortiOS version 7.4.11 or above Upgrade to upcoming FortiOS version 7.2.13 or above Upgrade to upcoming FortiOS version 7.0.19 or above Upgrade to upcoming FortiManager version 8.0.0 or above Upgrade to upcoming FortiManager version 7.6.6 or above Upgrade to upcoming FortiManager version 7.4.10 or above Upgrade to upcoming FortiManager version 7.2.13 or above Upgrade to upcoming FortiManager version 7.0.16 or above

Workaround

No workaround given by the vendor.

References
Link Providers
https://fortiguard.fortinet.com/psirt/FG-IR-26-060 cve-icon cve-icon
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-24858 cve-icon cve-icon
https://www.fortinet.com/blog/psirt-blogs/analysis-of-sso-abuse-on-fortios cve-icon cve-icon
History

Tue, 27 Jan 2026 22:15:00 +0000

Type Values Removed Values Added
References

Tue, 27 Jan 2026 21:45:00 +0000

Type Values Removed Values Added
Metrics kev

{'dateAdded': '2026-01-27T00:00:00+00:00', 'dueDate': '2026-01-30T00:00:00+00:00'}

Tue, 27 Jan 2026 21:15:00 +0000

Type Values Removed Values Added
References
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

 ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Tue, 27 Jan 2026 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Tue, 27 Jan 2026 19:30:00 +0000

Type Values Removed Values Added
Description An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] vulnerability in Fortinet FortiAnalyzer 7.6.0 through 7.6.5, FortiAnalyzer 7.4.0 through 7.4.9, FortiAnalyzer 7.2.0 through 7.2.11, FortiAnalyzer 7.0.0 through 7.0.15, FortiManager 7.6.0 through 7.6.5, FortiManager 7.4.0 through 7.4.9, FortiManager 7.2.0 through 7.2.11, FortiManager 7.0.0 through 7.0.15, FortiOS 7.6.0 through 7.6.5, FortiOS 7.4.0 through 7.4.10, FortiOS 7.2.0 through 7.2.12, FortiOS 7.0.0 through 7.0.18 may allow an attacker with a FortiCloud account and a registered device to log into other devices registered to other accounts, if FortiCloud SSO authentication is enabled on those devices.
First Time appeared Fortinet
Fortinet fortianalyzer
Fortinet fortimanager
Fortinet fortios
Weaknesses CWE-288
CPEs cpe:2.3:o:fortinet:fortianalyzer:7.0.0:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.0.10:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.0.11:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.0.12:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.0.13:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.0.14:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.0.15:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.0.1:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.0.2:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.0.3:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.0.4:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.0.5:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.0.6:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.0.7:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.0.8:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.0.9:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.2.0:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.2.10:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.2.11:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.2.1:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.2.2:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.2.3:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.2.4:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.2.5:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.2.6:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.2.7:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.2.8:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.2.9:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.4.0:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.4.1:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.4.2:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.4.3:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.4.4:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.4.5:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.4.6:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.4.7:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.4.8:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.4.9:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.6.0:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.6.1:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.6.2:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.6.3:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.6.4:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.6.5:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager:7.0.0:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager:7.0.10:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager:7.0.11:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager:7.0.12:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager:7.0.13:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager:7.0.14:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager:7.0.15:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager:7.0.1:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager:7.0.2:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager:7.0.3:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager:7.0.4:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager:7.0.5:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager:7.0.6:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager:7.0.7:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager:7.0.8:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortimanager:7.0.9:*:*:*:*:*:*:*
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:7.2.1:*:*:*:*:*:*:*
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:7.4.1:*:*:*:*:*:*:*
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:fortios:7.0.0:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.0.10:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.0.11:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.0.12:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.0.13:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.0.14:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.0.15:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.0.16:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.0.17:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.0.18:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.0.1:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.0.2:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.0.3:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.0.4:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.0.5:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.0.6:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.0.7:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.0.8:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.0.9:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.2.0:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.2.10:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.2.11:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.2.12:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.2.1:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.2.2:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.2.3:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.2.4:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.2.5:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.2.6:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.2.7:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.2.8:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.2.9:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.4.0:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.4.10:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.4.1:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.4.2:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.4.3:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.4.4:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.4.5:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.4.6:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.4.7:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.4.8:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.4.9:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.6.0:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.6.1:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.6.2:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.6.3:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.6.4:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.6.5:*:*:*:*:*:*:*
Vendors & Products Fortinet
Fortinet fortianalyzer
Fortinet fortimanager
Fortinet fortios
References
Metrics cvssV3_1

{'score': 9.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: fortinet

Published:

Updated: 2026-01-28T01:24:07.581Z

Reserved: 2026-01-27T15:11:02.057Z

Link: CVE-2026-24858

cve-icon Vulnrichment

Updated: 2026-01-27T19:30:19.472Z

cve-icon NVD

Status : Received

Published: 2026-01-27T20:16:24.477

Modified: 2026-01-27T22:15:58.067

Link: CVE-2026-24858

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses