CRITICALCVSS 9.8Actively exploited · CISA KEV since 2026-01-27Vulnerability
CVE-2026-24858
Fortinet FortiAnalyzer, FortiManager, FortiOS, and FortiProxy contain an authentication bypass using an alternate path or channel that could 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.
Properties
- Euvd product
- FortiOS, FortiAnalyzer, FortiProxy, FortiWeb, FortiNAC-F, FortiManager
- Vulnerability name
- Fortinet Multiple Products Authentication Bypass Using an Alternate Path or Channel Vulnerability
- First seen
- 2026-06-09T14:27:53+00:00
- Cvss score
- 9.8
- Epss score
- 0.85796
- Last seen
- 2026-10-19T12:00:27+00:00
- Due date
- 2026-01-30
- Euvd assigner
- fortinet
- Retrieved at
- 2026-10-21T01:24:49+00:00
- Exploited euvd since
- 2026-01-27T00:00:00+00:00
- Src batch id
- epss_history-20261020T103617Z-728ddd
- Source url
- https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
- Date added
- 2026-01-27
- Score
- 9.8
- Euvd base score version
- 3.1
- Fetched at
- 2026-10-20T10:36:20+00:00
- Euvd vendor
- Fortinet
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- In Signal since
- initial import (Sep 2026)
- Euvd base score
- 9.4
Related Entities (13)
AFFECTS_PRODUCT (8)
MENTIONED_IN (2)
DESCRIBES (1)
HAS_WEAKNESS (1)
INVOLVES (1)
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