Home / Vulnerabilities / CVE-2025-3248
CRITICAL SEVERITY
CVE-2025-3248 Langflow · Langflow

Langflow Missing Authentication Vulnerability

Technical Severity

CVSS v3.1 Metrics

CRITICAL
9.8 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitation Likelihood

EPSS Prediction

91.97 %
Predictive Probability
Percentile Rank
99.7 th

Documented as more likely to be exploited than 99.7% of known CVEs.

Detection Date

May 05, 2025

Remediation Due

May 26, 2025

CISA Catalog Active

Threat Analysis

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.

Remediation Directive

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

External Intelligence