FORTINETVERIFIED
UI DoS attack
Checked 8 Oct 2026. BlackTree preserves the last verified facts if a later source check is temporarily unavailable.
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SECURITY ADVISORYFORTINETVERIFIED
PUBLISHER UPDATE · FORTINET-PRODUCTS-C8B96865F70B0E39
FORTINET-PRODUCTS-C8B96865F70B0E39 release notes and known issues
UI DoS attack
Scope: Fortinet products. This update record adds version, fix and known-issue context. Its publication date is not a lifecycle boundary.
Summary
CVSSv3 Score: 5.0 An Allocation of Resources Without Limits or Throttling vulnerability [CWE-770] in FortiOS may allow an unauthenticated attacker to perform a slow HTTP DoS attack on the web interface via crafted HTTP requests. Revised on 2026-08-12 00:00:00
Improvements and security content
- CVSSv3 Score: 5.0 An Allocation of Resources Without Limits or Throttling vulnerability [CWE-770] in FortiOS may allow an unauthenticated attacker to perform a slow HTTP DoS attack on the web interface via crafted HTTP requests. Revised on 2026-08-12 00:00:00
Known issues
Publisher statementNot stated. The verified publisher record does not contain a known-issues statement.
Affected products and versions
Products
- Fortinet products
Affected versions
- 5.0
Fixed versions or updates
- No fixed version is stated in this record.
Recommended action
Review the official publisher document before deployment.