Medium [CVE-2026-70466] Content-Encoding WAF Evasion
This medium-severity Fortinet advisory covers CVE-2026-70466 affecting FortiWeb.
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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
- FortiWeb 8.0: 8.0.0 through 8.0.2
- FortiWeb 7.6: 7.6.0 through 7.6.5
- FortiWeb 7.4: 7.4 all versions
- FortiWeb 7.2: 7.2 all versions
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
- FortiWeb 8.0: 8.0.3
- FortiWeb 7.6: 7.6.6
- FortiWeb 7.4: migrate to a fixed release
- FortiWeb 7.2: migrate to a fixed release
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
Mitigation checklist
- Upgrade per the Affected/Solution table: FortiWeb 8.0: 8.0.3; FortiWeb 7.6: 7.6.6; FortiWeb 7.4: migrate to a fixed release; FortiWeb 7.2: migrate to a fixed release.
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
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