What it is about

LangChain ist ein Open-Source-Framework, das die Entwicklung von Anwendungen mit großen Sprachmodellen (LLMs) erleichtert Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in LangChain ausnutzen, um Informationen offenzulegen und Daten zu manipulieren.

Under what conditions?

Over the network, but only with valid access (login required), for example with stolen credentials or as an insider.

What can happen in the worst case

An attacker could use the vulnerability to

• Informationen offenzulegen
• Daten zu manipulieren

Am I affected?

Affected according to the BSI:

• Open Source LangChain <1.1.1
• Open Source LangChain <1.3.1

The installed version is usually shown under “Help → About” or in the device’s admin interface.

What helps?

Update to at least:

• Open Source LangChain 1.1.1
• Open Source LangChain 1.3.1

Is the vulnerability already being exploited?

None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.