How severe is CVE-2024-42835?

CVE-2024-42835 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-42835 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-42835?

CVE-2024-42835 affects Langflow. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-42835?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2024-42835 have an EU (EUVD) identifier?

Yes. CVE-2024-42835 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2942.

When was CVE-2024-42835 published?

CVE-2024-42835 was published on 2024-10-31 and last updated on 2026-06-17.

CVE-2024-42835

CVE-2024-42835 is a critical-severity vulnerability in Langflow with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-2942
Affected product: Langflow
Published: 2024-10-31
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2024-42835?: langflow v1.0.12 was discovered to contain a remote code execution (RCE) vulnerability via the PythonCodeTool component.
How severe is CVE-2024-42835?: CVE-2024-42835 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-42835 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-42835?: CVE-2024-42835 affects Langflow. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-42835?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-42835 have an EU (EUVD) identifier?: Yes. CVE-2024-42835 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2942.
When was CVE-2024-42835 published?: CVE-2024-42835 was published on 2024-10-31 and last updated on 2026-06-17.

References

https://github.com/langflow-ai/langflow/issues/2908

Affected products (1)

cpe:2.3:a:langflow:langflow:1.0.12:*:*:*:*:*:*:*

More vulnerabilities in Langflow

CVE-2026-10134 — Critical (CVSS 10.0): IBM Langflow OSS 1.0.0 through 1.9.3 allows an attacker to read every secret available to the Langflow process, read…
CVE-2026-10561 — Critical (CVSS 10.0): IBM Langflow OSS 1.0.0 through 1.9.3 has an vulnerability due to an improper isolation of Python execution combined…
CVE-2026-7873 — Critical (CVSS 9.9): IBM Langflow OSS 1.0.0 through 1.10.0 allows authenticated attackers to execute arbitrary OS commands and read…
CVE-2026-33873 — Critical (CVSS 9.9): Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to version 1.9.0, the Agentic…
CVE-2026-33309 — Critical (CVSS 9.9): Langflow is a tool for building and deploying AI-powered agents and workflows. Versions 1.2.0 through 1.8.1 have a…
CVE-2026-7871 — Critical (CVSS 9.8): IBM Langflow OSS 1.0.0 through 1.10.0 allows users with Redis access to execute arbitrary code with full application…

All CVEs affecting Langflow →