Langflow: BaseFileComponent-based nodes arbitrary file read with RCE exploit
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-200.
Summary
Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.9.2, by controlling a files that are digested into the RAG, an attacker can direct the node to read any file on the file-system by absolute path. All components based on BaseFileComponent are vulnerable to the vulnerability. This includes Docling (DoclingInlineComponent), Docling Serve, DoclingRemoteComponent), Read File (FileComponent), NVIDIA Retriever Extraction (NvidiaIngestComponent), Video File (VideoFileComponent), and Unstructured API (UnstructuredComponent). This vulnerability is fixed in 1.9.2.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Langflow | langflow | before 1.9.2 | 1.9.2 | Patch available | CNA |
| — | langflow (PyPI) | before 1.9.2 | 1.9.2 | Patch available | GHSA-ccv6-r384-xp75 |
- langflow VendorLangflow Affected before 1.9.2 Fixed in 1.9.2 Patch available CNA
- langflow (PyPI) Vendor— Affected before 1.9.2 Fixed in 1.9.2 Patch available GHSA-ccv6-r384-xp75
Remediation
- Fix · CNA langflow (langflow-ai) Fixed in 1.9.2
- Fix · GHSA-ccv6-r384-xp75 langflow (PyPI) Fixed in 1.9.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-55447
- 2026-10-03 Alias added: GHSA-ccv6-r384-xp75
- 2026-10-06 EPSS moved to the 50th–90th percentile
References
More Langflow vulnerabilities
- TI-2026-08085 Unauthenticated Remote Code Execution via Auto-Login Bypass and Code Validation KEVCVSS 3.1CRITICAL 9.8
- TI-2026-00553 Langflow exec_globals Inclusion of Functionality from Untrusted Control Sphere Remote… KEVCVSS 3.0CRITICAL 9.8
- TI-2025-24427 Langflow <= 1.6.9 CORS Misconfiguration to Token Hijack & RCE KEVCVSS 4.0CRITICAL 9.4
- TI-2025-02845 Langflow < 1.3.0 Unauthenticated RCE via /api/v1/validate/code KEVCVSS 3.1CRITICAL 9.8
- TI-2026-25463 Langflow has Unauthenticated Remote Code Execution via Public Flow Build Endpoint KEVCVSS 4.0CRITICAL 9.3
- TI-2026-39928 Authorization bypass in langflow KEVCVSS 3.1HIGH 8.4
Sources
- CVE-2026-55447 · CVE Program
- CVE-2026-55447 · NVD
- FIRST EPSS
- GHSA-ccv6-r384-xp75 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences