Skip to content
TrackCVE
  • Newest CVEsPage
  • Recently added to KEVPage
  • Rising exploitation (EPSS)Page
  • Weekly digestPage
  • StatisticsPage
  • WatchlistPage
  • API documentationPage
  • MCP serverPage
  • Data sourcesPage
  • ChangelogPage
  • AboutPage
  • How it's builtPage
Back

CVE-2026-84387

An Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability [CWE-77] vulnerability in Fortinet…

Medium6.7EPSS 1.6%
Published
Updated
Reserved
Assigned by
fortinet

Description

An Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability [CWE-77] vulnerability in Fortinet FortiSandbox 5.2.0, FortiSandbox 5.0.0 through 5.0.6, FortiSandbox 4.4.0 through 4.4.9, FortiSandbox 4.2 all versions may allow a privileged attacker to execute unauthorized code or commands via crafted HTTP requests.

Timeline

  1. ID reserved

    By fortinet

  2. · 7 days later

    Published

  3. · 51 days later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2026-84387, by who scored it
Scored byCVSSScoreVector
fortinetCNA (assigner)3.1Medium6.7CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
NVDNVD · Awaiting Analysis3.1High7.2CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
1.6% · top 25% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.7.

Weakness

Affected products

  • Fortinet · FortiSandbox

    • affected 5.2.0
    • affected 5.0.0 – ≤ 5.0.6
    • affected 4.4.0 – ≤ 4.4.9
    • affected 4.2.1 – ≤ 4.2.8

What to do

Solution: Upgrade to FortiSandbox version 5.2.1 or above Upgrade to FortiSandbox version 5.0.7 or above Upgrade to FortiSandbox version 4.4.10 or above

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2026-84387 badge
[![CVE-2026-84387](https://trackcve.app/badge/CVE-2026-84387.svg)](https://trackcve.app/cve/CVE-2026-84387)

Record last updated .