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SECURITY ADVISORYFORTINETVERIFIED

PUBLISHER UPDATE · FORTINET-PRODUCTS-5AF92102F2F24C74

FORTINET-PRODUCTS-5AF92102F2F24C74 release notes and known issues

Content-Encoding WAF Evasion

Scope: Fortinet products. This update record adds version, fix and known-issue context. Its publication date is not a lifecycle boundary.

Summary

CVSSv3 Score: 4.8 An incomplete list of disallowed inputs [CWE-184] in FortiWeb WAF may allow an unauthenticated attacker to bypass policies via specifically crafted requests. Revised on 2026-08-12 00:00:00

Improvements and security content

  • CVSSv3 Score: 4.8 An incomplete list of disallowed inputs [CWE-184] in FortiWeb WAF may allow an unauthenticated attacker to bypass policies via specifically crafted requests. Revised on 2026-08-12 00:00:00

Known issues

Publisher statement

Not stated. The verified publisher record does not contain a known-issues statement.

Affected products and versions

Products

  • Fortinet products

Affected versions

  • 4.8

Fixed versions or updates

  • No fixed version is stated in this record.

Recommended action

Review the official publisher document before deployment.

Official publisher evidence

FORTINETVERIFIED

Content-Encoding WAF Evasion

Checked 8 Oct 2026. BlackTree preserves the last verified facts if a later source check is temporarily unavailable.

Open the official publisher source