CVE-2026-104286
KEVCRITICAL 9.8EPSS 2.2%
An improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Fortinet FortiMail 8.0.0 through 8.0.1, FortiMail 7.6.0 through 7.6.6, FortiMail 7.4.0 through 7.4.8, FortiMail 7.2.0 through 7.2.9 may allow an unauthenticated attacker to write arbitrary files on the underlying system via crafted HTTP or HTTPS requests.
- Affected
- Fortinet · FortiMail
- CVSS v3.1 FORTINET
- 9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS
- 2.20% chance of exploitation in the next 30 days, 82nd percentile
- CISA KEV
- added 2026-10-01
- Published
- 2026-10-01
- Updated
- 2026-10-07
Proof-of-concept exploits (3)
- ShadowForge-Cyber/CVE-2026-104286-POC0★ · 2026-10-02
- techupdate24/fortimail-zero-day-cve-2026-1042860★ · 2026-10-02
- 0xREBYTE/CVE-2026-104286-PoC0★ · 2026-10-12