CVE-2026-106173

criticalpriority · track · 10EPSS 0.010 · 63 %ileexploit · PoCDENLRU
grimoire priorityP1 · Urgent
Exploitable?
Public exploit
5 exploits · PoC
Likely / severe?
1.00% (63rd) EPSS
CVSS 9.8 · critical
Is it mine?
4 products
Check your exposure
Who says so?
3 sources
fstec_bdu · cert_bund · ncsc_nl

EPSS · scored 2026-10-26

A improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Fortinet FortiSIEM 7.5.0 may allow attacker to execute unauthorized code or commands via specially crafted packets.

01

cvss

Technical severity, 0–10. One row per scoring source.

9.8
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · psirt@fortinet.comexploitability 3.9 · impact 5.9
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)
v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · NCSC-NL NL
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

04

exploits (5)

Public proof-of-concept and weaponised exploit code.

05

affected products (4)

Products and version ranges known to be affected.

06

advisories (2)

Vendor and ecosystem advisories describing this.

  • NCSC-2026-0434Kwetsbaarheden verholpen in Fortinet FortiSIEMNL2026-10-16csaf · ncsc_nlNL

    Fortinet heeft kwetsbaarheden verholpen in FortiSIEM versie 7.5.0.

  • WID-SEC-W-2026-3934Fortinet FortiSIEM: Mehrere Schwachstellen ermöglichen CodeausführungDeutsch2026-10-13csaf · cert_bundDE

    Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Fortinet FortiSIEM ausnutzen, um beliebigen Programmcode auszuführen.

07

also known as (2)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

published 2026-10-13modified 2026-10-22
09

references (2) nvd

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan