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Fencer Vulns
high 8.8

CVE-2024-37014 in the critical feed json

Langflow remote code execution vulnerability

published 2024-06-10 2 y ago modified 2026-06-17 4 mo ago also GHSA-qg33-x2c5-6p44 , PYSEC-2024-177 , EUVD-2024-0213

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
63.7%
EPSS 63.7% chance of exploitation in 30 days, percentile 99.2%
public exploits
0
none known, plus a Nuclei check

Summary

Langflow through 0.6.19 allows remote code execution if untrusted users are able to reach the "POST /api/v1/custom_component" endpoint and provide a Python script.

Patch / fix

  • pypi langflow 1.0.0a3, 1.0.15

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

63.67% chance of exploitation in the next 30 days, higher than 99.2% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template Langflow <= 1.0.12 - Remote Code Execution nuclei detection template
  • github.com https://github.com/langflow-ai/langflow/issues/1973 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
GitHub 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
OSV 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
pypi langflow
<1.0.15
<1.0.0a3
1.0.15
1.0.0a3

Affected products

  • langflow langflow

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code
  • CWE-913 Improper Control of Dynamically-Managed Code Resources

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.