CubePath
Sign Up

CVE-2026-104286

Improper Limitation of a Pathname to a Restricted Directory

CVSS 3.1 Critical 9.8Known exploited (CISA KEV)

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

Description

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, FortiMail 7.0 all versions may allow an unauthenticated attacker to write arbitrary files on the underlying system via crafted HTTP or HTTPS requests.

Official description from the CVE record, published by fortinet. Copyright © 1999-2026 The MITRE Corporation. See /security/cve/legal for the CVE license. View the record on cve.org

Key data

CVSS 3.1 Critical 9.8
Score published by fortinet in the CVE record.

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

  • Attack vector: Network

    The vulnerable component can be reached over a network, possibly from the Internet.

  • Attack complexity: Low

    No special conditions are needed. The attack can be repeated at will.

  • Privileges required: None

    No account or privileges are needed.

  • User interaction: None

    No action from any user is needed.

  • Scope: Unchanged

    The impact stays within the vulnerable component.

  • Confidentiality impact: High

    Serious or total effect on the secrecy of data.

  • Integrity impact: High

    Serious or total effect on the trustworthiness of data.

  • Availability impact: High

    Serious or total effect on availability.

CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at first.org/cvss.

EPSS
Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days.
Score
0.04573 (4.6% probability)
Percentile
91.7%
Scores of
Nov 10, 2026
Model
v2026.06.15
CISA Known Exploited Vulnerabilities
This CVE is listed in the CISA KEV catalog.
Name in the catalog
Fortinet FortiMail Path Traversal Vulnerability
Added to the catalog
Oct 1, 2026
Federal due date
Oct 4, 2026
CISA assessment as of Oct 2, 2026
Stakeholder-Specific Vulnerability Categorization (SSVC) decision points added by CISA.
Exploitation
Recorded by CISA as active
Automatable
yes
Technical impact
total
Weakness (CWE)
CWE catalog version 5.0.
CWE names: Copyright © 2006-2026, The MITRE Corporation. See /security/cve/legal for the CWE license.
  • CWE-22Improper Limitation of a Pathname to a Restricted Directory
Affected products
Products listed in the CVE record, as the CNA published them.

  • Fortinet FortiMail

    • affected: 8.0.0 up to 8.0.1
    • affected: 7.6.0 up to 7.6.6
    • affected: 7.4.0 up to 7.4.8
    • affected: 7.2.0 up to 7.2.9
    • affected: 7.0.0 up to 7.0.9
References
Links listed in the CVE record. They lead to other sites, which CubePath does not control.
Timeline
  1. Added to CISA KEV
  2. ID reserved
  3. Record published
  4. Record last updated

Look up another CVE

About CubePath
CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection.
Cloud VPSDDoS protection

Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:06 UTC. Sources and licenses