CVE-2026-106173
Vulnerability record
- Critical 9.4
Description
A improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Fortinet FortiSIEM 7.5.0, FortiSIEM 7.4 all versions, FortiSIEM 7.3 all versions, FortiSIEM 7.2 all versions, FortiSIEM 7.1 all versions, FortiSIEM 7.0 all versions may allow attacker to execute unauthorized code or commands via specially crafted packets.
Key facts
- Published
- 13 Oct 2026
- Last changed
- 10 Nov 2026
- Assigned by
- fortinet
- EPSS
- 0.998% likely to be exploited in the next 30 days, higher than 63.276% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: poc; Automatable: yes; Technical impact: total
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 9.4CVSS 3.1, Criticalfrom the CNA (fortinet)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C
What to do
- Upgrade to FortiSIEM version 7.6.0 or above Upgrade to FortiSIEM version 7.5.1 or aboveCNA solution statement
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Fortinet | FortiSIEM |
|
Timeline
- 13 Oct 2026 Published
Weakness
Practice this bug class
HackZoneLabs has a hands-on lab on Path traversal (CWE-22).