Langflow Vulnerability CVE-2026
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2025-34291 | CORS Origin Validation Flaw in Langflow Enables Account Takeover and RCE | 9.4 | 93% | KEVPoC | KEV |
| CVE-2026-0770 | Unauthenticated Remote Code Execution in Langflow validate Endpoint | 9.8 | 63% | KEV | KEV |
| CVE-2026-21445 | Missing Authentication Controls in Langflow API Exposes User Data | 8.8 | 33% | PoC | |
| CVE-2026-33017 | Unauthenticated RCE in Langflow AI Workflow Builder | 9.3 | 96% | KEVPoC ×6 | KEV |
| CVE-2026-5027 | Authenticated Path Traversal Arbitrary File Write in Langflow Files API | 8.8 | 36% |
From the original article
2 min read at thehackernews.com
Ravie Lakshmanan Jun 10, 2026 Vulnerability / Open Source A high-severity security flaw in Langflow, an open-source low-code platform to build artificial intelligence (AI) applications, has come under active exploitation in the wild, according to findings from VulnCheck. The vulnerability in question is CVE-2026-5027 (CVSS score: 8.
By @TheHackersNews · thehackernews.com
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