CVE-2026-55447 Langflow: BaseFileComponent-based nodes arbitrary file read with RCE exploit
Attackers can read arbitrary files via path traversal in Langflow components, potentially leading to remote code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-55447?
CVE-2026-55447 is a critical path traversal vulnerability in Langflow Langflow, published on 23 Jun 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
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.
Which versions are affected by CVE-2026-55447?
3 open source packages ship an affected version, including langflow. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
langflow PyPI | All versions | 1.9.2 |
langflow PyPI | All versions | 1.9.2 |
langflow PyPI | All versions | 1.9.2 |
Products include Langflow Langflow.
How do I fix CVE-2026-55447?
Upgrade langflow to 1.9.2 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-55447 being exploited?
There is no known exploitation of CVE-2026-55447 in the wild and no public exploit code.
Other vulnerabilities in Langflow Langflow
Sources
Also known as GHSA-ccv6-r384-xp75, PYSEC-2026-378.