CVE-2025-13669 High Level Synthesis Compiler Security Advisory
Attackers can execute arbitrary code via search order hijacking in Altera High Level Synthesis Compiler on Windows.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-13669?
CVE-2025-13669 is a medium-severity path traversal vulnerability in Altera High Level Synthesis Compiler, published on 12 Dec 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Uncontrolled Search Path Element vulnerability in Altera High Level Synthesis Compiler on Windows allows Search Order Hijacking.This issue affects High Level Synthesis Compiler: from 19.1 through 24.3.
Weakness: CWE-427
Which versions are affected by CVE-2025-13669?
It affects 1 product.
Products include Intel High Level Synthesis Compiler.
How do I fix CVE-2025-13669?
No fix has been published for CVE-2025-13669 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-2025-13669 being exploited?
There is no known exploitation of CVE-2025-13669 in the wild and no public exploit code.
Other vulnerabilities in Altera High Level Synthesis Compiler
Sources
Also known as GHSA-q6m2-f497-3j77.