HTTP: Langflow Code Validation Missing Authentication
This signature detects attempts to exploit a known vulnerability against Langflow. A successful attack can lead to arbitrary code execution.
Extended 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.
Affected Products
Langflow langflow
References
CVE: CVE-2025-3248
Short Name
HTTP:CTS:LANGFLOW-MISS-AUTH
Severity
Critical
Recommended
False
Recommended Action
Drop
Category
HTTP
Keywords
Authentication CVE-2025-3248 Code Langflow Missing Validation
Release Date
05/14/2025
Supported Platforms
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Sigpack Version
3808
False Positive
Unknown
Vendors
Langflow