CVE-2025-3248

Langflow versions prior to 1.3.0 are susceptible to code injection in the /api/v1/validate/code endpoint. A remote and unauthenticated attacker can send crafted HTTP requests to execute arbitrary code.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/langflow-ai/langflow/pull/6911	Patch
https://github.com/langflow-ai/langflow/releases/tag/1.3.0	Release Notes
https://www.horizon3.ai/attack-research/disclosures/unsafe-at-any-speed-abusing-python-exec-for-unauth-rce-in-langflow-ai/	Exploit Third Party Advisory
https://www.vulncheck.com/advisories/langflow-unauthenticated-rce	Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-3248	US Government Resource

Configurations

Configuration 1 (hide)

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

History

06 Nov 2025, 13:57

Type	Values Removed	Values Added
References		() https://www.vulncheck.com/advisories/langflow-unauthenticated-rce - Third Party Advisory
References	~~() https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-3248 -~~	() https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-3248 - US Government Resource

Information

Published : 2025-04-07 15:15

Updated : 2025-11-06 13:57

NVD link : CVE-2025-3248

Mitre link : CVE-2025-3248

CVE.ORG link : CVE-2025-3248

JSON object : View

Products Affected

langflow

langflow

CWE

CWE-306

Missing Authentication for Critical Function

CWE-94

Improper Control of Generation of Code ('Code Injection')

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