CVE•Published 2026-06-23•Modified 2026-06-24•1 article on news•5 live references•NVD data

CVE-2026-55447Langflow · Langflow

Vulnerability data via NVD (ingested)

CVSS v3.1

9.6

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

EPSS percentile

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Weaknesses (CWE)

CWE-61UNIX Symbolic Link (Symlink) Following CWE-200Exposure of Sensitive Information to an Unauthorized Actor

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.

Timeline

Published 2026-06-23

Modified 2026-06-24

External references

NVD MITRE Exploit-DB GitHub PoC VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag2,339 hosts

vuln:CVE-2026-55447

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Langflow Langflow"

All exposed Langflow Langflow instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Langflow"

HTTP body or banner mentions "Langflow" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-55447