LangChain: Schwachstelle ermöglicht Offenlegung von Informationen und Umgehen von Sicherheitsvorkehrungen
A vulnerability in the open-source LangChain framework, which facilitates development with large language models (LLMs), allows information disclosure and bypassing of security controls. The affected versions include all versions prior to 1.3.9 and version 1.3.9 itself. No CVSS score or detailed technical exploitation information is provided. There are no known exploits in the wild, and no official patch or remediation guidance is currently available from the vendor advisory.
AI Analysis
Technical Summary
LangChain, an open-source framework for building applications with large language models, contains a vulnerability that enables attackers to disclose information and bypass security mechanisms. The vulnerability affects versions before and including 1.3.9. The Bundesamt für Sicherheit in der Informationstechnik has published an advisory (WID-SEC-W-2026-1958) but has not provided a CVSS score or patch information. No known exploits have been reported in the wild to date.
Potential Impact
The vulnerability can lead to unauthorized information disclosure and circumvention of security controls within applications using affected LangChain versions. This may compromise confidentiality and the integrity of security measures relying on the framework.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or patch links are provided, users should monitor the Bundesamt für Sicherheit in der Informationstechnik advisory (WID-SEC-W-2026-1958) for updates and apply any future patches promptly.
LangChain: Schwachstelle ermöglicht Offenlegung von Informationen und Umgehen von Sicherheitsvorkehrungen
Description
A vulnerability in the open-source LangChain framework, which facilitates development with large language models (LLMs), allows information disclosure and bypassing of security controls. The affected versions include all versions prior to 1.3.9 and version 1.3.9 itself. No CVSS score or detailed technical exploitation information is provided. There are no known exploits in the wild, and no official patch or remediation guidance is currently available from the vendor advisory.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
LangChain, an open-source framework for building applications with large language models, contains a vulnerability that enables attackers to disclose information and bypass security mechanisms. The vulnerability affects versions before and including 1.3.9. The Bundesamt für Sicherheit in der Informationstechnik has published an advisory (WID-SEC-W-2026-1958) but has not provided a CVSS score or patch information. No known exploits have been reported in the wild to date.
Potential Impact
The vulnerability can lead to unauthorized information disclosure and circumvention of security controls within applications using affected LangChain versions. This may compromise confidentiality and the integrity of security measures relying on the framework.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or patch links are provided, users should monitor the Bundesamt für Sicherheit in der Informationstechnik advisory (WID-SEC-W-2026-1958) for updates and apply any future patches promptly.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_base
- Csaf Version
- 2.0
- Publisher
- Bundesamt für Sicherheit in der Informationstechnik
- Advisory Id
- WID-SEC-W-2026-1958
- Cve Count
- 0
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a32cffd9f87a2db092da0aa
Added to database: 6/17/2026, 4:49:01 PM
Last enriched: 6/17/2026, 4:51:46 PM
Last updated: 6/17/2026, 6:06:50 PM
Views: 3
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