CVE-2026-46746 Command injection in SINEC INS
An authenticated remote attacker can execute arbitrary OS commands via crafted directory names in the SFTP upload endpoint.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-46746?
CVE-2026-46746 is a high-severity command injection vulnerability in Siemens SINEC INS, published on 9 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 6). The application does not properly sanitize user input in the /api/sftp/uploadFiles endpoint, allowing the injection of shell command payloads via crafted directory names. These payloads are stored and executed when directory listings are retrieved. This could allow an authenticated remote attacker to execute arbitrary commands on the underlying operating system with the privileges of the affected service user (sinecins).
Weakness: CWE-78
Which versions are affected by CVE-2026-46746?
It affects 1 product.
Products include Siemens Sinec Ins.
How do I fix CVE-2026-46746?
No fix has been published for CVE-2026-46746 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-46746 being exploited?
There is no known exploitation of CVE-2026-46746 in the wild and no public exploit code.
Other vulnerabilities in Siemens SINEC INS
Sources
Also known as GHSA-vxxj-9x7w-4356.