What is CVE-2026-55447?

CVE-2026-55447 is a critical-severity vulnerability in Langflow, classified under UNIX Symbolic Link (Symlink) Following. CVSS score: 9.6/10. Published 2026-06-23.

How severe is CVE-2026-55447?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Information disclosure in Langflow

CVE-2026-55447

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…

EPSS: 0.005 (38.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Langflow
Langflow-ai Langflow — versions < 1.9.2

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Patch, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2026-55447?: CVE-2026-55447 is a critical-severity vulnerability in Langflow, classified under UNIX Symbolic Link (Symlink) Following. CVSS score: 9.6/10. Published 2026-06-23.
How severe is CVE-2026-55447?: Critical severity. CVSS v3 base score is 9.6 out of 10.