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Cover image for Node2Shell: Node.js Brotli Remote Code Execution Vulnerability

Node2Shell: Node.js Brotli Remote Code Execution Vulnerability

A high-severity out-of-bounds write vulnerability in the Node.js Brotli decoder (Node2Shell) allows remote code execution when processing malformed compressed data.

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Tim Peck@timpeck2 days ago

247 intel reports

The HellCat ransomware group is increasingly exploiting Jira credentials harvested by infostealers like StealC and Amadey to facilitate corporate breaches and data exfiltration.

The Shai-Hulud worm and GitRunner C2 framework abuse legitimate, digitally signed GitLab CI runner binaries as persistent backdoors to execute commands via CI/CD pipelines.

Threat actors are exploiting an unauthenticated remote code execution vulnerability in Langflow (CVE-2026-33017) to deploy a multi-stage Monero cryptomining toolchain and spread via SSH key reuse.

Initial Access Broker Woodgnat (KongTuke) is deploying the Mistic and MLTBackdoor RATs via social engineering and compromised WordPress sites to sell network access to major ransomware affiliates.

A cryptocurrency-mining campaign exploits CVE-2026-33017, an unauthenticated RCE in Langflow, to deploy a Go-based miner with aggressive defense evasion and lateral movement capabilities.

RondoDox, TerraBot, and r00ts3c botnets are actively weaponizing legacy IoT vulnerabilities and modern enterprise flaws like Log4Shell using compromised residential infrastructure.

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