Denial of Service Vulnerability in Fortinet FortiOS
CVE-2026-71408

5MEDIUM

Key Information:

Vendor

Fortinet
Status
FortiOS
Vendor
CVE Published:
12 August 2026

What is CVE-2026-71408?

A vulnerability in Fortinet's FortiOS may allow an attacker to conduct a denial of service attack by exploiting unregulated resource allocation. This issue is present in versions 7.6.0 to 7.6.6, as well as all versions of 7.4 and 7.2. Without proper limitations or throttling mechanisms, the affected systems may become overwhelmed, leading to service disruptions. It is crucial for users to implement recommended security patches to mitigate potential risks.

Affected Version(s)

FortiOS 7.6.0 <= 7.6.6

FortiOS 7.4.0 <= 7.4.12

FortiOS 7.2.0 <= 7.2.13

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-162

CVSS V3.1

Score:
5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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