Vulnerability · Published May 12, 2026 · Assigned by fortinet

CVE-2026-25690

Medium 4.0

In plain English

A medium-severity argument injection in FortiDeceptor from Fortinet. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities).

Severity (CVSS 3.1)4.0Medium
Exploit odds (30 days)0.2%top 84.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

An improper neutralization of argument delimiters in a command ('argument injection') vulnerability in Fortinet FortiDeceptor 6.0.0 through 6.0.2, FortiDeceptor 5.3.0 through 5.3.3, FortiDeceptor 5.2.0 through 5.2.1, FortiDeceptor 5.1 all versions, FortiDeceptor 5.0 all versions may allow an authenticated attacker with at least read-only admin permission to read log files via HTTP crafted requests.

Affected products (as reported)

VendorProductVersions
Fortinet FortiDeceptor 6.0.0 – through 6.0.25.3.0 – through 5.3.35.2.0 – through 5.2.15.1.05.0.0

Weakness: CWE-88 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:F/RL:O/RC:C

References