Langflow: Schwachstelle ermöglicht Denial of Service und Offenlegung von Informationen
A vulnerability in Langflow, an open-source visual interface for creating LLM-based applications, allows for denial of service and information disclosure. The issue affects versions earlier than 1.9.1 and version 1.9.1 itself. No CVSS score is available for this vulnerability. There are no known exploits in the wild, and no official patch or remediation details have been provided by the vendor. The vulnerability was published by the Bundesamt für Sicherheit in der Informationstechnik on June 16, 2026.
AI Analysis
Technical Summary
CVE-2026-55450 describes a security vulnerability in Langflow, an open-source tool for visually building applications based on large language models (LLMs). The vulnerability enables attackers to cause denial of service conditions and disclose information. Affected versions include all releases before 1.9.1 and version 1.9.1 itself. No detailed technical exploitation methods or impact specifics beyond denial of service and information disclosure are provided. There is no vendor advisory indicating patch availability or mitigation steps.
Potential Impact
The vulnerability can lead to denial of service, potentially disrupting the availability of Langflow-based applications. Additionally, it may allow unauthorized disclosure of information, which could compromise confidentiality. The exact scope and severity of the impact are not detailed in the available information.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory (WID-SEC-W-2026-1970) from the Bundesamt für Sicherheit in der Informationstechnik for current remediation guidance. Since no patch or workaround is indicated, users should monitor official channels for updates and avoid deploying vulnerable versions if possible.
Langflow: Schwachstelle ermöglicht Denial of Service und Offenlegung von Informationen
Description
A vulnerability in Langflow, an open-source visual interface for creating LLM-based applications, allows for denial of service and information disclosure. The issue affects versions earlier than 1.9.1 and version 1.9.1 itself. No CVSS score is available for this vulnerability. There are no known exploits in the wild, and no official patch or remediation details have been provided by the vendor. The vulnerability was published by the Bundesamt für Sicherheit in der Informationstechnik on June 16, 2026.
Affected software
pkg:github/langflow-ai/langflowRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-55450 describes a security vulnerability in Langflow, an open-source tool for visually building applications based on large language models (LLMs). The vulnerability enables attackers to cause denial of service conditions and disclose information. Affected versions include all releases before 1.9.1 and version 1.9.1 itself. No detailed technical exploitation methods or impact specifics beyond denial of service and information disclosure are provided. There is no vendor advisory indicating patch availability or mitigation steps.
Potential Impact
The vulnerability can lead to denial of service, potentially disrupting the availability of Langflow-based applications. Additionally, it may allow unauthorized disclosure of information, which could compromise confidentiality. The exact scope and severity of the impact are not detailed in the available information.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory (WID-SEC-W-2026-1970) from the Bundesamt für Sicherheit in der Informationstechnik for current remediation guidance. Since no patch or workaround is indicated, users should monitor official channels for updates and avoid deploying vulnerable versions if possible.
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-2026-1970
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a32cff89f87a2db092d9eb7
Added to database: 6/17/2026, 4:48:56 PM
Last enriched: 6/17/2026, 4:52:12 PM
Last updated: 6/17/2026, 6:22:45 PM
Views: 3
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