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VulnerabilityhighExploited in the wild

Langflow Vulnerability CVE-2026

The Hacker Newsby @TheHackersNews ()2 min read1 · 1 read
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Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2025-34291
CORS Origin Validation Flaw in Langflow Enables Account Takeover and RCE
9.493%KEVPoC
KEV
CVE-2026-0770
Unauthenticated Remote Code Execution in Langflow validate Endpoint
9.863%KEV
KEV
CVE-2026-21445
Missing Authentication Controls in Langflow API Exposes User Data
8.833%PoC
CVE-2026-33017
Unauthenticated RCE in Langflow AI Workflow Builder
9.396%KEVPoC ×6
KEV
CVE-2026-5027
Authenticated Path Traversal Arbitrary File Write in Langflow Files API
8.836%

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.

The Hacker News

By @TheHackersNews · thehackernews.com

Read the full article at The Hacker News

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