CVE-2026-69109 Path traversal in Siemens License Server (SLS)
A remote attacker can access arbitrary files on the Siemens License Server due to insufficient input sanitization.
- 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-2026-69109?
CVE-2026-69109 is a high-severity path traversal vulnerability in Siemens License Server (SLS), published on 11 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability has been identified in Siemens License Server (SLS) (All versions < V5.3). The affected application is vulnerable to a path traversal vulnerability due to lack of sanitization of user input. This could allow a remote attacker to access arbitrary files on the application.
Weakness: CWE-35
Which versions are affected by CVE-2026-69109?
How do I fix CVE-2026-69109?
No fix has been published for CVE-2026-69109 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-2026-69109 being exploited?
There is no known exploitation of CVE-2026-69109 in the wild and no public exploit code.
Sources
Also known as GHSA-g4jx-hhxc-5329.