CVE-2026-25690 PUBLISHED

Assigner: fortinet
Reserved: 05.02.2026 Published: 12.05.2026 Updated: 12.05.2026

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.

Metrics

CVSS 3.1

CVSS 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
CVSS Score: 4

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	Low	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	Fortinet
Product	FortiDeceptor
Versions	Default: unaffected affected from 6.0.0 to 6.0.2 (incl.) affected from 5.3.0 to 5.3.3 (incl.) affected from 5.2.0 to 5.2.1 (incl.) Version 5.1.0 is affected Version 5.0.0 is affected

Solutions

Upgrade to upcoming FortiDeceptor version 6.3.0 or above Upgrade to FortiDeceptor version 6.1.0 or above

References

https://fortiguard.fortinet.com/psirt/FG-IR-26-138

Problem Types

Information disclosure CWE