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Medium severity5.8NVD Advisory· Published Feb 10, 2026· Updated May 12, 2026

CVE-2025-55018

CVE-2025-55018

Description

An inconsistent interpretation of http requests ('http request smuggling') vulnerability in Fortinet FortiOS 7.6.0, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4.3 through 6.4.16 may allow an unauthenticated attacker to smuggle an unlogged http request through the firewall policies via a specially crafted header

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Fortinet/Fortios3 versions
    cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*range: >=6.4.3,<=6.4.16
    • cpe:2.3:o:fortinet:fortios:7.6.0:*:*:*:*:*:*:*
    • (no CPE)range: 7.6.0; 7.4.0-7.4.9; 7.2.x; 7.0.x; 6.4.3-6.4.16

Patches

Vulnerability mechanics

References

2

News mentions

0

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