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CVE-2026-24858

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...

Published: Jan 27, 2026Updated: Jun 9, 2026 Sources: CVE List NVD BDU csafCWE-288
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
55.1%
Top 1.1%
CISA KEV
Active Exploitation
Since Jan 27, 2026
Exploits
No Known Exploits
Remediation
Patch Available

Description

Fortinet has published information on vulnerabilities in FORTIOS. This advisory lists the related Siemens Industrial products. Siemens has released a new version for RUGGEDCOM APE1808 and recommends to update to the latest version.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-288

Affected Products

fortianalyzerfortinetSecurity Products
fortimanagerfortinetSecurity Products
fortinac-ffortinetSecurity Products
fortiproxyfortinetSecurity Products
fortiwebfortinetSecurity Products
fortinetcommercialUSSecurity Productsaka forti net
and 12 more affected products View all →

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Jan 27, 2026
Remediation due:Jan 30, 2026

Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Official Patch Available
Workaround Available

References

https://cert-portal.siemens.com/productcert/csaf/ssa-975644.json
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/html/ssa-975644.html
cert-portal.siemens.com
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2026/icsa-26-071-02.json
raw.githubusercontent.com
and 28 more references View all →

Timeline

Added to CISA KEV
Jan 27, 2026
Published
Jan 27, 2026
Last Updated
Jun 9, 2026
News mentions
2

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