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CVE-2026-85114

Type: advisorySource: Official CVE List1 source record

A vulnerability has been identified in .NET Client Library for SIMATIC S7 Webserver API (All versions < V3.3.61). Affected applications do not properly validate filenames received from remote servers during ticket downloads. This could allow an attacker who can manipulate the ticket response to write arbitrary files outside the intended download directory and, when overwriting is enabled, replace existing files accessible to the application.

Announced Source revision 1
Original source ↗

CVE-2026-85114

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-85114

.NET Client Library for SIMATIC S7 Webserver API

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "vendor": "Siemens",
    "product": ".NET Client Library for SIMATIC S7 Webserver API",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "V3.3.61",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unknown"
  }
]
Related CVEs
CVE-2026-85114

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#34464 · Revision 1
Added to Heist Feed
Publisher date
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