Langflow Code Injection Vulnerability (CVE-2026-33017)
Severity: critical · Patch status: patched · Since 2026-03-25 · CVE-2026-33017
Langflow contains a code injection vulnerability that could allow building public flows without requiring authentication. CISA added CVE-2026-33017 to its Known Exploited Vulnerabilities catalog on Mar 25, 2026, which means attackers are exploiting it in the wild.
What to do
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Apr 8, 2026 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
