CVE-2025-3248
CRITICAL CISA KEVCVSS v3
9.8
CRITICAL
EPSS Score
—
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
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.
CISA Known Exploited Vulnerability
- Date Added
- 5/5/2025
- Patch Due Date
- 5/26/2025
- Required Action
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Technical Details
- CVSS v3 Vector
- 3.1
- Published
- 4/7/2025
- Last Modified
- 11/6/2025
Frequently Asked Questions
What is 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.
Is CVE-2025-3248 actively exploited?
Yes. CVE-2025-3248 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 5/26/2025.
What is the CVSS score for CVE-2025-3248?
CVE-2025-3248 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string 3.1.
Is CVE-2025-3248 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.