CVE-2026-106173: A improper limitation of a pathname to a restricted directory ('path traversal') vulnerability in Fortinet FortiSIEM…
- Is it exploited?
Not on CISA's list. CISA has not added it to the Known Exploited Vulnerabilities catalog as of . If CISA adds it, this page shows it as known exploited.
- How likely is exploitation in the next 30 days?
- 1%
EPSS score, percentile 62.7 of all scored records. A probability estimated by FIRST, not a report of exploitation.
CISA's SSVC assessment in the CVE record lists exploitation as poc.
- How severe?
- 9.4 Critical
CVSS v3.1 base score, given by the CNA
- What should I do?
Upgrade to upcoming FortiSIEMCloud version 25.4.1 or above Upgrade to FortiSOC version 26.2.2 or above Upgrade to FortiSIEM version 7.6.0 or above Upgrade to FortiSIEM … Full textSolution from the CVE record.
CISA has set no required action, because the vulnerability is not in KEV.
The CVE record links no vendor advisory, patch or mitigation.
- Which versions are affected?
Affected
- 7.5.0
- 7.4.0 through 7.4.2
- 7.3.0 through 7.3.5
- 7.2.0 through 7.2.7
- 7.1.0 through 7.1.9
- 7.0.0 through 7.0.4
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of ; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of ; CVE List V5 (CVE Program), cve_2026-10-29_0000Z, as of . About the data.
What to do
Solution (from the CVE record)
Upgrade to upcoming FortiSIEMCloud version 25.4.1 or above Upgrade to FortiSOC version 26.2.2 or above Upgrade to FortiSIEM version 7.6.0 or above Upgrade to FortiSIEM version 7.5.1 or above
Advisories and patches
The CVE record links no vendor advisory, patch or mitigation.
Affected products and versions
As listed in the CVE record.
| Status | Versions |
|---|---|
| Affected | 7.5.0 |
| Affected | 7.4.0 through 7.4.2 |
| Affected | 7.3.0 through 7.3.5 |
| Affected | 7.2.0 through 7.2.7 |
| Affected | 7.1.0 through 7.1.9 |
| Affected | 7.0.0 through 7.0.4 |
Versions not listed are: unaffected.
Source: CVE List V5 (CVE Program), cve_2026-10-29_0000Z, as of . About the data.
About this vulnerability
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.
Summary: CVE record, as of .
- CISA has not added CVE-2026-106173 to its Known Exploited Vulnerabilities (KEV) catalog, as of 28 Oct 2026.
- The CVE record was published on 13 Oct 2026.
- The CVE record carries a CVSS v3.1 base score of 9.4 (Critical), given by its CNA.
- FIRST's EPSS model puts the probability of exploitation in the next 30 days at 1% (percentile 62.7), as of 29 Oct 2026. EPSS is a statistical estimate, not a report of exploitation.
- CISA's SSVC assessment in the CVE record: exploitation poc, automatable yes, technical impact total.
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of ; CVE List V5 (CVE Program), cve_2026-10-29_0000Z, as of ; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of . About the data.
Description
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.
Source: CVE List V5 (CVE Program), cve_2026-10-29_0000Z, as of . About the data.
Weakness
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record.
Timeline
| Date | Event |
|---|---|
| CVE record published | |
| CVE record last updated |
References
Known exploited Fortinet vulnerabilities
- CVE-2025-61624: Fortinet Multiple Products Path Traversal Vulnerability
- CVE-2026-104286: Fortinet FortiMail Path Traversal Vulnerability
- CVE-2025-25249: Fortinet Multiple Products Heap-based Buffer Overflow Vulnerability
- CVE-2025-68686: Fortinet FortiOS Exposure of Sensitive Information to an Unauthorized Actor Vulnerability
- CVE-2026-25089: Fortinet FortiSandbox OS Command Injection Vulnerability