langflow has vulnerability in PythonCodeTool component

published 2024-10-31 2 y ago modified 2026-06-17 4 mo ago also GHSA-56m6-4mhw-h3g5 , PYSEC-2024-279 , EUVD-2024-2942

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits: 0; none known

langflow v1.0.12 was discovered to contain a remote code execution (RCE) vulnerability via the PythonCodeTool component.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: yes
Technical impact: total
Assessed: 2 y ago (2024-10-31)

Exploit prediction

1.16% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/langflow-ai/langflow/issues/2908 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	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	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GitHub	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/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	<=1.0.12	no fix listed

References

github.com /langflow-ai/langflow/issues/2908
web, exploit, issue-tracking, vendor-advisory, report
nvd.nist.gov /vuln/detail/CVE-2024-42835
advisory
github.com /langflow-ai/langflow
package
github.com /pypa/advisory-database/tree/main/vulns/langflow/PYSEC-2024-279.yaml
web
github.com /advisories/GHSA-56m6-4mhw-h3g5
advisory

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.

Summary