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Langflow Vulnerability CVE-2026-5027 Exploited for Unauthenticated RCE

·Source: The Hacker News

Updated:

Executive Summary

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: 8.8), a case of path traversal that could allow an attacker to write files to arbitrary locations. "The 'POST /api/v2/

Analysis

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: 8.8), a case of path traversal that could allow an attacker to write files to arbitrary locations. "The 'POST /api/v2/

Indicators of Compromise (1)

CVE (1)
CVE-2026-5027
NVDMITRE CVE
Source Attribution

Originally published by The Hacker News on Jun 10, 2026.

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