Actively exploited
Listed in CISA’s Known Exploited Vulnerabilities catalog since May 5, 2025.
CVE-2025-3248
Langflow Missing Authentication Vulnerability
Added to KEV May 5, 2025
Alert details
- Source feed
- CISA KEV
- CVE ID
- CVE-2025-3248
- CWE
- CWE-306
- Affected products
- Langflow · Langflow Langflow
What happened
Langflow contains a missing authentication vulnerability in the /api/v1/validate/code endpoint that allows a remote, unauthenticated attacker to execute arbitrary code via crafted HTTP requests.
What it means for your business
Langflow Langflow is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2025-3248). Langflow contains a missing authentication vulnerability in the /api/v1/validate/code endpoint that allows a remote, unauthenticated attacker to execute arbitrary code via crafted HTTP requests. CISA remediation due date: 2025-05-26. If you need help checking exposure, call (864) 335-9223.
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.
CISA due date: May 26, 2025
Sources
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