RCE in Siemens Sinec Ins
CVE-2026-46746
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).
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.004 (36.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Siemens Sinec Ins — versions 0
- Siemens Sinec_ins — versions 1.0
Weakness classification (CWE)
References
- productcert@siemens.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2026-46746?
- CVE-2026-46746 is a high-severity vulnerability in Siemens Sinec Ins, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-06-09.
- How severe is CVE-2026-46746?
- High severity. CVSS v3 base score is 8.8 out of 10.