CVE-2026-106173 Path traversal in FortiSIEM
Attackers can execute unauthorized code or commands via specially crafted packets due to a path traversal vulnerability in FortiSIEM.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-106173?
CVE-2026-106173 is a critical path traversal vulnerability in Fortinet FortiSIEM, published on 13 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-22
Which versions are affected by CVE-2026-106173?
How do I fix CVE-2026-106173?
No fix has been published for CVE-2026-106173 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-106173 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-106173 exists.
Public exploit code: 5 proofs of concept on GitHub.
Sources
Also known as GHSA-5cx2-chqq-627m.