Vulnerability in Fortinet Fortideceptor

CVE-2026-25689

An improper neutralization of argument delimiters in a command ('argument injection') vulnerability in Fortinet FortiDeceptor 6.2.0, FortiDeceptor 6.0 all versions, FortiDeceptor 5.3 all versions, FortiDeceptor 5.2 all versions, FortiDeceptor 5.1 all versions, FortiDeceptor 5.0 all versions, FortiDeceptor 4.3 all versions, FortiDeceptor 4.2 all versions, FortiDeceptor 4.1 all versions, FortiDeceptor 4.0 all versions may allow a privileged attacker with super-admin profile and CLI access to delete sensitive files via crafted HTTP requests.

EPSS: 0.005 (43.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-25689?
CVE-2026-25689 is a medium-severity vulnerability in Fortinet Fortideceptor, classified under Argument Injection. CVSS score: 6.5/10. Published 2026-03-10.
How severe is CVE-2026-25689?
Medium severity. CVSS v3 base score is 6.5 out of 10.