Vulnerability in Siemens Sinec Ins (CVE-2026-46747)
Summary
Vulnerability in Siemens Sinec Ins (CVE-2026-46747). Risk of unauthorized operations or information disclosure. Exploitable via GET /api/sftp/uploadFiles.
Original description
The description as published by the source.
A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 6). The affected application does not properly sanitize path input in the GET /api/sftp/uploadFiles endpoint used for directory listing. This allows path traversal through crafted input, enabling access to unintended file system locations.
Source: NIST National Vulnerability Database NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-46747 has been found in Siemens Sinec Ins.
Attackers can target a specific entry point like GET /api/sftp/uploadFiles over the network to misuse the product.
Risk of unauthorized operations or information disclosure. CVSS score: 4.3/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "Siemens Sinec Ins CVE-2026-46747" on the vendor's site.
CVE-2026-46747 (Siemens Sinec Ins) — CWE-26 / CVSS v3 4.3
Attack vector: remote (network-reachable) / no user interaction
Attack surface: GET /api/sftp/uploadFiles
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (CWE-26) exists in Siemens Sinec Ins. Attackers reach the vulnerable code path via GET /api/sftp/uploadFiles.
Check the vendor advisory for the affected versions of Siemens Sinec Ins. Attack surface: GET /api/sftp/uploadFiles.
Severity: Medium (CVSS 4.3/10). Risk of unauthorized operations or information disclosure.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual GET /api/sftp/uploadFiles requests with malformed payloads or SQL meta-characters. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで Siemens Sinec Ins を使っているサービスとバージョンを洗い出す。
-
2Hunt for indicators of compromise detect
grep 'GET /api/sftp/uploadFiles' /var/log/nginx/access.log | grep -E '(unusual_payload|sqli_pattern)'アクセスログで
GET /api/sftp/uploadFilesへの異常なリクエスト (不正な認証ヘッダ・SQLメタ文字)を過去 30〜90日分捜索。WAF/SIEM があれば該当パスのアラート発火履歴を確認。 -
3Post-deployment verification verify
Replay attack against GET /api/sftp/uploadFiles on staging to confirm patch closes the vectorパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番では Step 2 と同じログクエリでアラート再発が無いか継続監視。
References
- patch productcert@siemens.com
- web nvd.nist.gov
- web github.com