Vulnerability Monitor

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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.

Published

2025-04-07T15:15:44.897

Last Modified

2025-11-06T13:57:48.910

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

Weaknesses

Type: Secondary
CWE-306
Type: Primary
CWE-94
CWE-306

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	langflow	langflow	< 1.3.0	Yes

References

https://github.com/langflow-ai/langflow/pull/6911 Patch ([email protected])
https://github.com/langflow-ai/langflow/releases/tag/1.3.0 Release Notes ([email protected])
https://www.horizon3.ai/attack-research/disclosures/unsafe-at-any-speed-abusing-python-exec-for-unauth-rce-in-langflow-ai/ Exploit, Third Party Advisory ([email protected])
https://www.vulncheck.com/advisories/langflow-unauthenticated-rce Third Party Advisory ([email protected])
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-3248 US Government Resource (134c704f-9b21-4f2e-91b3-4a467353bcc0)