{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata — refreshed continuously.","feed_url":"https://feed.craftedsignal.io/vendors/burtthecoder/","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cves":[{"cvss":7.3,"id":"CVE-2026-7443"}],"_cs_exploited":false,"_cs_products":["mcp-dnstwist"],"_cs_severities":["high"],"_cs_tags":["command-injection","vulnerability"],"_cs_type":"advisory","_cs_vendors":["BurtTheCoder"],"content_html":"\u003cp\u003eCVE-2026-7443 describes an OS command injection vulnerability affecting BurtTheCoder\u0026rsquo;s mcp-dnstwist, a tool potentially used for detecting and preventing typosquatting attacks. The vulnerability resides in versions up to 1.0.4. The affected function, \u003ccode\u003efuzz_domain\u003c/code\u003e, located in the \u003ccode\u003esrc/index.ts\u003c/code\u003e file of the MCP Interface component, is susceptible to command injection. An attacker can manipulate the Request argument to inject arbitrary OS commands. This is a remotely exploitable vulnerability, meaning an attacker can trigger it over a network connection. Public exploits are available, increasing the risk of widespread exploitation. The vulnerability was reported to the project maintainers, but no response or patch has been released as of this writing.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eThe attacker identifies a vulnerable instance of mcp-dnstwist running version 1.0.4 or earlier.\u003c/li\u003e\n\u003cli\u003eThe attacker crafts a malicious HTTP request targeting the MCP Interface component.\u003c/li\u003e\n\u003cli\u003eThe crafted request includes a payload designed to exploit the \u003ccode\u003efuzz_domain\u003c/code\u003e function in \u003ccode\u003esrc/index.ts\u003c/code\u003e.\u003c/li\u003e\n\u003cli\u003eThe malicious payload manipulates the Request argument, injecting OS commands.\u003c/li\u003e\n\u003cli\u003eThe \u003ccode\u003efuzz_domain\u003c/code\u003e function, without proper sanitization, executes the injected OS commands.\u003c/li\u003e\n\u003cli\u003eThe attacker gains arbitrary code execution on the server hosting mcp-dnstwist.\u003c/li\u003e\n\u003cli\u003eThe attacker leverages the initial access to escalate privileges or move laterally within the network.\u003c/li\u003e\n\u003cli\u003eThe attacker achieves their final objective, such as data exfiltration or system compromise.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of this vulnerability allows a remote attacker to execute arbitrary OS commands on the system hosting mcp-dnstwist. This could lead to complete system compromise, data breaches, or denial-of-service conditions. Given that mcp-dnstwist might be used in security-sensitive environments, a successful attack could have significant impact. The lack of a patch and the availability of public exploits increase the likelihood of exploitation.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSince no patch is available, immediately discontinue use of mcp-dnstwist versions up to 1.0.4.\u003c/li\u003e\n\u003cli\u003eMonitor network traffic for suspicious requests targeting mcp-dnstwist instances by deploying the Sigma rule \u003ccode\u003eDetect Suspicious mcp-dnstwist Requests\u003c/code\u003e to your SIEM.\u003c/li\u003e\n\u003cli\u003eIf continued use is unavoidable, implement strict input validation and sanitization on the Request argument passed to the \u003ccode\u003efuzz_domain\u003c/code\u003e function in \u003ccode\u003esrc/index.ts\u003c/code\u003e. However, this is not a substitute for patching the underlying vulnerability.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2024-01-03T12:00:00Z","date_published":"2024-01-03T12:00:00Z","id":"/briefs/2024-01-03-mcp-dnstwist-command-injection/","summary":"An OS command injection vulnerability exists in BurtTheCoder's mcp-dnstwist version 1.0.4 and earlier due to improper handling of the Request argument in the fuzz_domain function within src/index.ts, potentially allowing remote attackers to execute arbitrary commands.","title":"mcp-dnstwist OS Command Injection Vulnerability (CVE-2026-7443)","url":"https://feed.craftedsignal.io/briefs/2024-01-03-mcp-dnstwist-command-injection/"}],"language":"en","title":"CraftedSignal Threat Feed — BurtTheCoder","version":"https://jsonfeed.org/version/1.1"}