9.8

CVE-2026-106173: fortinet fortisiem Path Traversal

CVSS: 9.8v3.1CriticalAwaiting analysis
Published 13-10-2026Last modified 14-10-2026
Open JSON

Vulnerability summary

CVE-2026-106173 is a critical (CVSS 9.8) Path Traversal vulnerability in fortinet fortisiem. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 36.2% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
0.43%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 13-10-2026
    PublishedVulnerability first disclosed.
  2. 14-10-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.43%

Chance of exploitation in the next 30 days

Percentile

36%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

14-10-202619-10-2026
EPSS score
0.43%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Fortinet1 product
  • fortisiem7.5.0 | ≥ 7.4.0, ≤ 7.4.2 | ≥ 7.3.0, ≤ 7.3.5 | ≥ 7.2.0, ≤ 7.2.7 | ≥ 7.1.0, ≤ 7.1.9 | ≥ 7.0.0, ≤ 7.0.4

1 vendor · 1 product

References

1 links