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Vulnerabilities

Vulnerability · CVE-2026-84385

Broken Access control on Websocket streams

Published Sep 8, 2026 · Fortinet

Check if you run it

No confirmed exploitation is on record for CVE-2026-84385. EPSS is 0.23%. 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
Unknown—
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.23%
Remediation
Not established
Affected products
Fortinet

CVE-2026-84385 is named in a Fortinet PSIRT advisory.

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

How to fix CVE-2026-84385

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-2026-84385. EPSS is 0.23%. 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?

No weakness class is stored. EPSS 0.23%. 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. Sep 8, 2026 · Fortinet PSIRT

    Detected

    CVE-2026-84385 is named in a Fortinet PSIRT advisory.

Sources

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.