TI-2025-39857 Aliases CVE-2025-64447 GHSA-fqxp-5rvv-7f48

A reliance on cookies without validation and integrity checking vulnerability in Fortinet…

MEDIUM 44CWE-565Published 2025-12-09 · Updated 2026-02-26

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

A reliance on cookies without validation and integrity checking vulnerability in Fortinet FortiWeb 8.0.0 through 8.0.1, FortiWeb 7.6.0 through 7.6.5, FortiWeb 7.4.0 through 7.4.10, FortiWeb 7.2.0 through 7.2.11, FortiWeb 7.0.0 through 7.0.11 may allow an unauthenticated attacker to execute arbitrary operations on the system via crafted HTTP or HTTPS request via forged cookies, requiring prior knowledge of the FortiWeb serial number.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.08352 94th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Fortinet	FortiWeb	8.0.0 – 8.0.1; 7.6.0 – 7.6.5; 7.4.0 – 7.4.10; 7.2.0 – 7.2.11; 7.0.0 – 7.0.11	—	No fix listed	CNA

FortiWeb VendorFortinet Affected 8.0.0 – 8.0.1; 7.6.0 – 7.6.5; 7.4.0 – 7.4.10; 7.2.0 – 7.2.11; 7.0.0 – 7.0.11 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:fortinet:fortiweb::::::::	7.0.0 – 7.0.11; 7.2.0 – 7.2.11; 7.4.0 – 7.4.10; 7.6.0 – 7.6.5; 8.0.0 – 8.0.1	Vulnerable	Fortinet

cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:* Versions 7.0.0 – 7.0.11; 7.2.0 – 7.2.11; 7.4.0 – 7.4.10; 7.6.0 – 7.6.5; 8.0.0 – 8.0.1 Vulnerable ·Fortinet

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-64447
2026-10-03 Alias added: GHSA-fqxp-5rvv-7f48

References

Advisory 1

https://fortiguard.fortinet.com/psirt/FG-IR-25-945

TI-2026-20057 Authentication bypass in Fortinet FortiWeb KEVCVSS 3.1CRITICAL 9.4
TI-2025-39856 Path traversal in Fortinet FortiWeb KEVCVSS 3.1CRITICAL 9.4
TI-2025-18919 SQL injection in Fortinet FortiWeb KEVCVSS 3.1CRITICAL 9.8
TI-2025-35886 OS command injection in Fortinet FortiWeb KEVCVSS 3.1MEDIUM 6.7
TI-2021-05113 OS command injection in Fortinet FortiWeb CVSS 3.1HIGH 8.8
TI-2021-18960 Stack-based buffer overflow in Fortinet FortiWeb CVSS 3.1CRITICAL 9.8

See all 125 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences