CVE-2026-24858

CRITICAL KEV

Fortinet Fortianalyzer < 7.0.15 - Authentication Bypass

Title source: rule

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, FortiProxy 7.6.0 through 7.6.4, FortiProxy 7.4.0 through 7.4.12, FortiProxy 7.2.0 through 7.2.15, FortiProxy 7.0.0 through 7.0.22, FortiWeb 8.0.0 through 8.0.3, FortiWeb 7.6.0 through 7.6.6, FortiWeb 7.4.0 through 7.4.11 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.

Exploits (6)

github WORKING POC 10 stars
by XiaomingX · pythonpoc
https://github.com/XiaomingX/data-cve-poc-py-v1/tree/main/2026/CVE-2026-24858
nomisec WORKING POC 2 stars
by absholi7ly · poc
https://github.com/absholi7ly/CVE-2026-24858-FortiCloud-SSO-Authentication-Bypass
nomisec WORKING POC
by gagaltotal · poc
https://github.com/gagaltotal/cve-2026-24858
nomisec WORKING POC
by SimoesCTT · poc
https://github.com/SimoesCTT/SCTT-2026-33-0004-FortiCloud-SSO-Identity-Singularity
nomisec WORKING POC
by SimoesCTT · poc
https://github.com/SimoesCTT/-CTT-NSP-Convergent-Time-Theory---Network-Stack-Projection-CVE-2026-24858-
nomisec WRITEUP
by m0d0ri205 · poc
https://github.com/m0d0ri205/CVE-2026-24858

Scores

CVSS v3 9.8
EPSS 0.0809
EPSS Percentile 92.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CISA KEV 2026-01-27
VulnCheck KEV 2026-01-27
ENISA EUVD EUVD-2026-4712
CWE
CWE-288
Status published
Products (24)
fortinet/fortianalyzer 7.0.0 - 7.0.15
Fortinet/FortiAnalyzer 7.0.0 - 7.0.15
Fortinet/FortiAnalyzer 7.2.0 - 7.2.11
Fortinet/FortiAnalyzer 7.4.0 - 7.4.9
Fortinet/FortiAnalyzer 7.6.0 - 7.6.5
fortinet/fortimanager 7.0.0 - 7.0.15
Fortinet/FortiManager 7.0.0 - 7.0.15
Fortinet/FortiManager 7.2.0 - 7.2.11
Fortinet/FortiManager 7.4.0 - 7.4.9
Fortinet/FortiManager 7.6.0 - 7.6.5
... and 14 more
Published Jan 27, 2026
KEV Added Jan 27, 2026
Tracked Since Feb 18, 2026