Critical Langflow Flaw CVE-2026-33017 Triggers Attacks within 20 Hours of Disclosure
Summary
Langflow contains a code injection vulnerability that could allow building public flows without requiring authentication.
Threat Analysis
**Vulnerability ID:** CVE-2026-33017 **CVSS Score:** 9.0 (CRITICAL) **⚠️ ACTIVELY EXPLOITED** - Added to CISA KEV Catalog **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. **Due Date:** 2026-04-08
**Description:** Langflow contains a code injection vulnerability that could allow building public flows without requiring authentication.
**Affected Products:** Langflow Langflow
**Recent Coverage:** - [Critical Langflow Flaw CVE-2026-33017 Triggers Attacks within 20 Hours of Disclosure](https://thehackernews.com/2026/03/critical-langflow-flaw-cve-2026-33017.html)
**Recommended Actions:** - **URGENT:** Apply vendor patches immediately - Isolate affected systems if patches unavailable - Monitor for indicators of compromise