WID-SEC-W-2026-0841

Vulnerability from csaf_certbund - Published: 2026-03-24 23:00 - Updated: 2026-03-29 22:00
Summary
Langflow: Schwachstelle ermöglicht Codeausführung
Severity
Hoch
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung: Langflow bietet eine visuelle Schnittstelle zum Erstellen von LLM-basierten Anwendungen.
Angriff: Ein Angreifer kann eine Schwachstelle in Langflow ausnutzen, um beliebigen Programmcode auszuführen.
Betroffene Betriebssysteme: - Linux - Sonstiges - UNIX - Windows
CVE-2026-33873
Affected products
Product Identifier Version Remediation
Open Source Langflow <1.9.0
Open Source / Langflow
 <1.9.0
References
To clipboard 

{
  "document": {
    "aggregate_severity": {
      "text": "hoch"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "Langflow bietet eine visuelle Schnittstelle zum Erstellen von LLM-basierten Anwendungen.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein Angreifer kann eine Schwachstelle in Langflow ausnutzen, um beliebigen Programmcode auszuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Linux\n- Sonstiges\n- UNIX\n- Windows",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2026-0841 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0841.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-0841 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0841"
      },
      {
        "category": "external",
        "summary": "Langflow GitHub vom 2026-03-24",
        "url": "https://github.com/langflow-ai/langflow/security/advisories/GHSA-v8hw-mh8c-jxfc"
      }
    ],
    "source_lang": "en-US",
    "title": "Langflow: Schwachstelle erm\u00f6glicht Codeausf\u00fchrung",
    "tracking": {
      "current_release_date": "2026-03-29T22:00:00.000+00:00",
      "generator": {
        "date": "2026-03-30T10:14:08.664+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.5.0"
        }
      },
      "id": "WID-SEC-W-2026-0841",
      "initial_release_date": "2026-03-24T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-03-24T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2026-03-29T22:00:00.000+00:00",
          "number": "2",
          "summary": "Referenz(en) aufgenommen: EUVD-2026-16815"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c1.9.0",
                "product": {
                  "name": "Open Source Langflow \u003c1.9.0",
                  "product_id": "T052094"
                }
              },
              {
                "category": "product_version",
                "name": "1.9.0",
                "product": {
                  "name": "Open Source Langflow 1.9.0",
                  "product_id": "T052094-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:langflow:langflow:1.9.0"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "Langflow"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-33873",
      "product_status": {
        "known_affected": [
          "T052094"
        ]
      },
      "release_date": "2026-03-24T23:00:00.000+00:00",
      "title": "CVE-2026-33873"
    }
  ]
}


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