WID-SEC-W-2026-0393

Vulnerability from csaf_certbund - Published: 2026-02-11 23:00 - Updated: 2026-02-11 23:00
Summary
LangChain: Mehrere Schwachstellen
Severity
Niedrig
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: LangChain ist ein Open-Source-Framework, das die Entwicklung von Anwendungen mit großen Sprachmodellen (LLMs) erleichtert
Angriff: Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in LangChain ausnutzen,um eine Server-Side-Request-Forgery (SSRF) durchzuführen, was die Offenlegung von Informationen und einen begrenzten Denial-of-Service-Zustand ermöglicht.
Betroffene Betriebssysteme: - Sonstiges - UNIX - Windows
CVE-2026-26013
Affected products
Product Identifier Version Remediation
Open Source LangChain <1.1.14
Open Source / LangChain
 <1.1.14
Open Source LangChain <1.2.11
Open Source / LangChain
 <1.2.11
CVE-2026-26019
Affected products
Product Identifier Version Remediation
Open Source LangChain <1.1.14
Open Source / LangChain
 <1.1.14
References
To clipboard 

{
  "document": {
    "aggregate_severity": {
      "text": "niedrig"
    },
    "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": "LangChain ist ein Open-Source-Framework, das die Entwicklung von Anwendungen mit gro\u00dfen Sprachmodellen (LLMs) erleichtert",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in LangChain ausnutzen,um eine Server-Side-Request-Forgery (SSRF) durchzuf\u00fchren, was die Offenlegung von Informationen und einen begrenzten Denial-of-Service-Zustand erm\u00f6glicht.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- 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-2026-0393 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0393.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-0393 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0393"
      },
      {
        "category": "external",
        "summary": "GitHub Advisory Database vom 2026-02-11",
        "url": "https://github.com/advisories/GHSA-2g6r-c272-w58r"
      },
      {
        "category": "external",
        "summary": "GitHub Advisory Database vom 2026-02-11",
        "url": "https://github.com/advisories/GHSA-gf3v-fwqg-4vh7"
      }
    ],
    "source_lang": "en-US",
    "title": "LangChain: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2026-02-11T23:00:00.000+00:00",
      "generator": {
        "date": "2026-02-12T11:02:43.504+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.5.0"
        }
      },
      "id": "WID-SEC-W-2026-0393",
      "initial_release_date": "2026-02-11T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-02-11T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c1.2.11",
                "product": {
                  "name": "Open Source LangChain \u003c1.2.11",
                  "product_id": "T050841"
                }
              },
              {
                "category": "product_version",
                "name": "1.2.11",
                "product": {
                  "name": "Open Source LangChain 1.2.11",
                  "product_id": "T050841-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:open_source:langchain:1.2.11"
                  }
                }
              },
              {
                "category": "product_version_range",
                "name": "\u003c1.1.14",
                "product": {
                  "name": "Open Source LangChain \u003c1.1.14",
                  "product_id": "T050842"
                }
              },
              {
                "category": "product_version",
                "name": "1.1.14",
                "product": {
                  "name": "Open Source LangChain 1.1.14",
                  "product_id": "T050842-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:open_source:langchain:1.1.14"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "LangChain"
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-26013",
      "product_status": {
        "known_affected": [
          "T050842",
          "T050841"
        ]
      },
      "release_date": "2026-02-11T23:00:00.000+00:00",
      "title": "CVE-2026-26013"
    },
    {
      "cve": "CVE-2026-26019",
      "product_status": {
        "known_affected": [
          "T050842"
        ]
      },
      "release_date": "2026-02-11T23:00:00.000+00:00",
      "title": "CVE-2026-26019"
    }
  ]
}


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