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Critical Vulnerability in Siemens Siveillance Control Exposed

First seen 22 Sep 2026, 16:29 UTC • •
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ThreatCluster AI
ThreatCluster •September 23, 2026 at 16:27 UTC

A vulnerability (CVE-2026-50093) has been identified in the Open Interface Services (OIS) web module of Siemens Siveillance Control and Siveillance Control Pro, allowing attackers to upload arbitrary files and potentially gain root-level access. Affected versions include Siveillance Control Pro V3.0 and V4.0, and Siveillance Control V3.0 and V4.0, with specific version thresholds noted. Siemens has released patches and updates to mitigate this vulnerability and recommends users update to the latest versions. The vulnerability poses a significant risk to critical infrastructure sectors, including manufacturing and communications. CISA has advised minimizing network exposure and implementing strong access controls. The vulnerability was published on September 8, 2026, and is currently being addressed by Siemens.

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Updated 47d ago How this analysis works

Timeline

2026-09-08
CVE-2026-50093 published
A vulnerability in Siemens Siveillance Control was disclosed, allowing arbitrary file uploads.
Cisa
2026-09-22
Siemens releases patches
Siemens issued updates for affected Siveillance Control versions to address the vulnerability.
cert-portal.siemens.com
2026-09-22
CISA issues advisory
CISA recommended users to minimize network exposure and apply security practices for affected products.
Cisa

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Extracted Entities (12)

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