Vulnerability in Langflow

CVE-2024-9277

A vulnerability classified as problematic was found in Langflow up to 1.0.18. Affected by this vulnerability is an unknown functionality of the file \src\backend\base\langflow\interface\utils.py of the component HTTP POST Request Handler. The manipulation of the argument remaining_text leads to inefficient regular expression complexity. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Vulnerability class: ReDoS (Regular Expression Denial of Service)

EPSS: 0.010 (57.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

Affected products

  • Langflow
  • N/a Langflow — versions 1.0.0, 1.0.1, 1.0.2

Weakness classification (CWE)

References

  • cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
  • cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
  • cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
  • cna@vuldb.com (Exploit, Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2024-9277?
CVE-2024-9277 is a low-severity vulnerability in Langflow, classified under Inefficient Regular Expression Complexity. CVSS score: 3.5/10. Published 2024-09-27.
How severe is CVE-2024-9277?
Low severity. CVSS v3 base score is 3.5 out of 10.