Langflow OSS: Mehrere Schwachstellen
Description
Multiple vulnerabilities have been identified in Langflow OSS, an open-source visual interface for creating LLM-based applications. The issues relate to authentication weaknesses (CWE-287). The affected versions include all Langflow OSS versions prior to 1.11.2. No official patch or remediation has been confirmed yet. The severity of these vulnerabilities is assessed as high based on available data. There are no known exploits in the wild at this time. The vendor has not provided specific remediation guidance or patches. Users should monitor vendor advisories for updates and apply fixes once available.
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Langflow OSS, a tool for visually building LLM-based applications, contains multiple security vulnerabilities categorized under CWE-287 (Improper Authentication). These vulnerabilities affect versions prior to 1.11.2. The Bundesamt für Sicherheit in der Informationstechnik has identified these issues and assigned a high severity rating. No patch or official fix has been documented in the provided data. There is no indication of active exploitation in the wild. The vulnerabilities could potentially allow unauthorized access or bypass of authentication mechanisms.
Potential Impact
The vulnerabilities impact the authentication mechanisms of Langflow OSS, potentially allowing unauthorized users to gain access or bypass authentication controls. This could lead to unauthorized use or manipulation of the application. However, no active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should limit exposure of vulnerable versions and follow any vendor recommendations once available.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-7rh9-6r38-qv3f
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-18891"]
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
Threat ID: 6a92f7deacd9273b49e75b7a
Added to database: 08/29/2026, 15:16:46 UTC
Last enriched: 09/08/2026, 02:22:36 UTC
Last updated: 10/13/2026, 18:48:18 UTC
Views: 38
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