CVE-2026-104286
67Vexday Risk Score
Prioritize patching. It exploitation observed by VulnCheck and has a public proof of concept.
ssvc Actcvss 9.8
from disclosure to weapon0 days
Published on NVDOct 1
1st PoCOct 1
VulnCheckOct 1
exploitation probability
—
observed exploitation
yesVulnCheck
1 public exploit(s)
Action required by CISAfederal deadline: 2026-10-04
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
Affected products
Fortinet · FortiMailpublic PoCs found — 1
githubgithub.com/ShadowForge-Cyber/CVE-2026-104286-POC★ 0⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.