Langflow Missing Authentication Vulnerability
Critical CVSS 9.8 Listed in CISA KEV
Summary
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.
In-depth triage · Auto channel
No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).
Affected products
- Langflow:Langflow
- :
Sources
- CISA KEV DATABASE
- NVD DATABASE
Original Links
- https://nvd.nist.gov/vuln/detail/CVE-2025-3248 advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog kev
- https://github.com/langflow-ai/langflow/pull/6911 Patch
- https://github.com/langflow-ai/langflow/releases/tag/1.3.0 Release Notes
- https://www.horizon3.ai/attack-research/disclosures/unsafe-at-any-speed-abusing-python-exec-for-unauth-rce-in-langflow-ai/ Exploit
- https://www.vulncheck.com/advisories/langflow-unauthenticated-rce Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-3248 US Government Resource
- https://github.com/advisories/GHSA-c995-4fw3-j39m reference
Timeline
- kev_added CISA KEV
- nvd_ingest NVD
- kev_ingest CISA KEV