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# Command Injection in MCP Server The MCP Server at https://github.com/akoskm/create-mcp-server-stdio is written in a way that is vulnerable to command injection vulnerability attacks as part of some of its MCP Server tool definition and implementation. ## Vulnerable tool The MCP Server exposes the tool `which-app-on-port` which relies on Node.js child process API `exec` which is an unsafe and vulnerable API if concatenated with untrusted user input. Vulnerable line of code: https://github.com/akoskm/create-mcp-server-stdio/blob/main/src/index.ts#L24-L40 ```js server.tool("which-app-on-port", { port: z.number() }, async ({ port }) => { const result = await new Promise<ProcessInfo>((resolve, reject) => { exec(`lsof -t -i tcp:${port}`, (error, pidStdout) => { if (error) { reject(error); return; } const pid = pidStdout.trim(); exec(`ps -p ${pid} -o comm=`, (error, stdout) => { if (error) { reject(error); return...

Aikido Security flagged the largest npm attack ever recorded, with 18 packages like chalk, debug, and ansi-styles hacked…

Hackers exploit a Sitecore zero-day (CVE-2025-53690) to deploy WEEPSTEEL Malware via ViewState attacks, enabling Remote Code Execution (RCE).

Salesloft has revealed that the data breach linked to its Drift application started with the compromise of its GitHub account. Google-owned Mandiant, which began an investigation into the incident, said the threat actor, tracked as UNC6395, accessed the Salesloft GitHub account from March through June 2025. So far, 22 companies have confirmed they were impacted by a supply chain breach. "With

Cybersecurity researchers have detailed a new sophisticated malware campaign that leverages paid ads on search engines like Google to deliver malware to unsuspecting users looking for popular tools like GitHub Desktop. While malvertising campaigns have become commonplace in recent years, the latest activity gives it a little twist of its own: Embedding a GitHub commit into a page URL containing

MostereRAT malware targets Windows through phishing, bypasses security with advanced tactics, and grants hackers full remote control. Cybersecurity…

Phishers are abusing Apple and Microsoft infrastructure to send out call-back phishing emails with legitimate sender and return addresses.

North Korea’s Lazarus Group uses the ClickFix scam in fake crypto job interviews to deploy malware, steal data,…

Cybersecurity never slows down. Every week brings new threats, new vulnerabilities, and new lessons for defenders. For security and IT teams, the challenge is not just keeping up with the news—it’s knowing which risks matter most right now. That’s what this digest is here for: a clear, simple briefing to help you focus where it counts. This week, one story stands out above the rest: the

When Attackers Get Hired: Today’s New Identity Crisis What if the star engineer you just hired isn’t actually an employee, but an attacker in disguise? This isn’t phishing; it’s infiltration by onboarding. Meet “Jordan from Colorado,” who has a strong resume, convincing references, a clean background check, even a digital footprint that checks out. On day one, Jordan logs into email and attends