Vulnerability Description
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 Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Langflow | Langflow | < 1.3.0 |
Related Weaknesses (CWE)
References
- https://github.com/langflow-ai/langflow/pull/6911Patch
- https://github.com/langflow-ai/langflow/releases/tag/1.3.0Release Notes
- https://www.horizon3.ai/attack-research/disclosures/unsafe-at-any-speed-abusing-ExploitThird Party Advisory
- https://www.vulncheck.com/advisories/langflow-unauthenticated-rceThird Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-US Government Resource
FAQ
What is CVE-2025-3248?
CVE-2025-3248 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 cod...
How severe is CVE-2025-3248?
CVE-2025-3248 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2025-3248?
Check the references section above for vendor advisories and patch information. Affected products include: Langflow Langflow.