Siemens SIMATIC S7 Webserver API

View CSAF Summary .NET Client Library for SIMATIC S7 Webserver API contains multiple vulnerabilities that could allow an attacker to obtain sensitive information or write arbitrary files outside the intended download directory. Siemens has released a new version for .NET Client Library for SIMATIC S7 Webserver API and recommends to update to the latest version.

Summary from CISA Advisories.

Vulnerabilities in this story

Severity and exploitation facts from NVD, FIRST, and CISA.

• CVE-2026-85114High 8.7EPSS 0.4%
• CVE-2026-85115Medium 6.8EPSS 0.2%

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