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Vulnerabilities

Vulnerability · CVE-2026-106170

An Uncaught Exception vulnerability [CWE-248] vulnerability in Fortinet FortiSandbox 5.2.0 through 5.2.1, FortiSandbox 5.0.0 through 5.0.6, FortiSandbox 4.4 all versions may allow

Published Oct 13, 2026 · catalog updated Oct 14, 2026 · Fortinet

Check if you run it

No confirmed exploitation is on record for CVE-2026-106170. EPSS is 0.28%. Act only if a listed version of Fortinet is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium4.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.28%
Remediation
Not established
Affected products
Fortinet

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Fortinet FortiSandbox. Authentication is required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 4.9. The following CVEs are assigned: CVE-2026-106170.

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-106170

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-106170. EPSS is 0.28%. Act only if a listed version of Fortinet is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-248. EPSS 0.28%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Fortinet security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 13, 2026 · NIST NVD

    Detected

    An Uncaught Exception vulnerability [CWE-248] vulnerability in Fortinet FortiSandbox 5.2.0 through 5.2.1, FortiSandbox 5.0.0 through 5.0.6, FortiSandbox 4.4 all versions may allow a privileged attacker to deny access to the GUI and CLI persistently via crafted HTTP requests.

  2. Oct 14, 2026 · NIST NVD

    Updated

    An Uncaught Exception vulnerability [CWE-248] vulnerability in Fortinet FortiSandbox 5.2.0 through 5.2.1, FortiSandbox 5.0.0 through 5.0.6, FortiSandbox 4.4 all versions may allow a privileged attacker to deny access to the GUI and CLI persistently via crafted HTTP requests.

Sources

  • CVE.orgVulnerability recordCVE-2026-106170

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-106170

    30-day exploitation probability 0.3%

    first.org
  • Fortinet PSIRTVendor advisoryCVE-2026-106170

    CVE-2026-106170 is named in a Fortinet PSIRT advisory.

    filestore.fortinet.com
  • NCSC NetherlandsGovernment advisoryCVE-2026-106170

    Fortinet heeft kwetsbaarheden verholpen in FortiSandbox. De kwetsbaarheid met kenmerk CVE-2026-107656 heeft een CVSS-score van 9,6 en betreft een authenticatieomzeiling in de webmanagementinterface van FortiSandbox. Een niet-geauthenticeerde kwaadwillende kan via speciaal vervaar

    advisories.ncsc.nl
  • NIST NVDVulnerability recordCVE-2026-106170

    An Uncaught Exception vulnerability [CWE-248] vulnerability in Fortinet FortiSandbox 5.2.0 through 5.2.1, FortiSandbox 5.0.0 through 5.0.6, FortiSandbox 4.4 all versions may allow a privileged attacker to deny access to the GUI and CLI persistently via crafted HTTP requests.

    nvd.nist.gov
  • Zero Day InitiativeCoordinated disclosureZDI-26-772

    This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Fortinet FortiSandbox. Authentication is required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 4.9. The following CVEs are assigned: CVE-2026-106170.

    zerodayinitiative.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.