Low severity · published Sep 8, 2026
CVE-2026-84389
A url redirection to untrusted site ('open redirect') vulnerability in Fortinet FortiSIEM 7.5.0 through 7.5.1, FortiSIEM 7.4.1 through 7.4.2 may allow attacker to execute…
3.1
CVSS
0.2%
EPSS
No
On KEV
Description
A url redirection to untrusted site ('open redirect') vulnerability in Fortinet FortiSIEM 7.5.0 through 7.5.1, FortiSIEM 7.4.1 through 7.4.2 may allow attacker to execute unauthorized code or commands via <insert attack vector here>
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
High
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 12% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
FortiSIEM · Fortinet
7.5.0 through 7.5.1; 7.4.1 through 7.4.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-84389
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-84389
fortiguard.fortinet.com
https://fortiguard.fortinet.com/psirt/FG-IR-26-169
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