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Unpatched Langflow Flaw CVE-2026-5027 Exploited for Unauthenticated RCE

BACKGROUND
4 SIGNALSFIRST DETECTED 10 June 2026
Narrative synthesis pending — 4 signals collected.
How the story developed
Other feeds and industry voices
1 Sept
Attackers Exploit Critical Langflow and Rails Flaws in Credential-Probing and C2 Activity

Threat actors are exploiting two critical flaws impacting Langflow and Ruby on Rails, according to new findings from VulnCheck. The vulnerabilities in question are listed below -

REPORT · HOW · The Hacker NewsOPEN STORY
30 Jun
Langflow RCE Exploited to Deploy Monero Miner on Exposed AI App Endpoints

Threat actors are continuing to exploit a critical Langflow vulnerability as part of fresh attacks designed to deliver a Monero cryptocurrency miner. The activity has been found

REPORT · HOW · The Hacker NewsOPEN STORY
22 May
CISA Adds Exploited Langflow and Trend Micro Apex One Vulnerabilities to KEV

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added two security flaws impacting Langflow and Trend Micro Apex One to its Known Exploited

REPORT · WHAT · The Hacker NewsOPEN STORY
7 Apr
Max severity Flowise RCE vulnerability now exploited in attacks

Hackers are exploiting a maximum-severity vulnerability, tracked as CVE-2025-59528, in the open-source platform Flowise for building custom LLM apps and agentic systems to execute

REPORT · WHAT · BleepingComputerOPEN STORY
18 Aug
Attackers Exploit MLflow SSRF Flaw to Steal Cloud Credentials and Secrets

Two critical vulnerabilities impacting MLflow, an open-source artificial intelligence (AI) platform, and FUXA, an open-source, web-based SCADA / HMI software built for operational

REPORT · HOW · The Hacker NewsOPEN STORY
12 Jun
LangGraph Flaw Chain Exposes Self-Hosted AI Agents to Remote Code Execution

Cybersecurity researchers have disclosed details of three now-patched security flaws impacting LangGraph, including a critical vulnerability chain that could result in remote code

REPORT · WHAT · The Hacker NewsOPEN STORY
17 Oct
BlockStrap / CVE-2026-103849: Unauthenticated RCE via Two-Stage Directive Processing in Magento and Adobe Commerce

<h2> 1. Basic Information </h2> <ul> <li> <strong>Article Name:</strong> BlockStrap: Magento and Adobe Commerce RCE (CVE-2026-103849)</li> <li> <strong>Published By:</strong>

REPORT · HOW · Dev.toOPEN STORY
29 Jul
Ruflo MCP Flaw Lets Unauthenticated Attackers Run Commands and Poison AI Memory

Cybersecurity researchers have flagged a maximum-severity security flaw in Ruflo, an open-source agent meta-harness for Anthropic Claude Code and OpenAI Codex, that could result

REPORT · WHAT · The Hacker NewsOPEN STORY
Sources
BleepingComputer×2Dev.toThe Hacker News

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