{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/products/rt-claw/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[{"cvss":7.3,"id":"CVE-2026-16200"}],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["rt-claw"],"_cs_severities":["high"],"_cs_tags":["vulnerability","authorization-bypass"],"_cs_type":"advisory","_cs_vendors":["zevorn"],"content_html":"\u003cp\u003eA high-severity authorization bypass vulnerability, tracked as CVE-2026-16200, affects zevorn rt-claw software versions up to 0.2.0. The flaw resides within the \u003ccode\u003eclaw_tool_invoke\u003c/code\u003e function, part of the RPC Handler component (located in \u003ccode\u003eclaw/services/swarm/swarm.c\u003c/code\u003e), allowing an attacker to perform unauthorized actions. Remote exploitation of this vulnerability is possible, and an exploit has reportedly been disclosed to the public. This means the flaw can be leveraged by attackers without requiring direct access to the system. While the project was notified of the issue via an issue report, as of July 19, 2026, no patch or response has been provided, leaving affected systems exposed to potential exploitation. Defenders should prioritize patching this vulnerability once an update becomes available.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003e\u003cstrong\u003eReconnaissance\u003c/strong\u003e: An attacker identifies publicly exposed zevorn rt-claw instances running vulnerable versions (up to 0.2.0) on the network.\u003c/li\u003e\n\u003cli\u003e\u003cstrong\u003eVulnerability Identification\u003c/strong\u003e: The attacker correlates the identified instance with the known CVE-2026-16200 vulnerability affecting the RPC Handler.\u003c/li\u003e\n\u003cli\u003e\u003cstrong\u003eExploit Crafting\u003c/strong\u003e: Leveraging the publicly disclosed exploit details, the attacker crafts a malicious RPC request specifically designed to target the \u003ccode\u003eclaw_tool_invoke\u003c/code\u003e function.\u003c/li\u003e\n\u003cli\u003e\u003cstrong\u003eAuthorization Bypass\u003c/strong\u003e: The crafted RPC request is sent to the vulnerable zevorn rt-claw instance. The inherent flaw in the \u003ccode\u003eclaw_tool_invoke\u003c/code\u003e function's authorization logic allows this request to bypass normal security checks.\u003c/li\u003e\n\u003cli\u003e\u003cstrong\u003eUnauthorized Execution\u003c/strong\u003e: The \u003ccode\u003eclaw_tool_invoke\u003c/code\u003e function processes the attacker's request, executing commands or operations that the attacker would not normally be authorized to perform.\u003c/li\u003e\n\u003cli\u003e\u003cstrong\u003eImpact Realization\u003c/strong\u003e: This leads to unauthorized access, modification, or disclosure of sensitive information, or potentially other forms of system compromise, depending on the specific functionality exposed through the \u003ccode\u003eclaw_tool_invoke\u003c/code\u003e function.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eThe successful exploitation of CVE-2026-16200 can lead to severe consequences due to the unauthorized actions an attacker can perform. Given that the vulnerability allows for incorrect authorization within the RPC Handler, attackers could gain unauthorized access to critical functionalities, manipulate system settings, or exfiltrate sensitive data without proper authentication. The public disclosure of an exploit significantly increases the risk, as it lowers the barrier for less sophisticated attackers to leverage this flaw. Organizations using vulnerable versions of zevorn rt-claw face a high risk of system compromise, data breaches, and operational disruption until a patch is released and applied.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003ePatch CVE-2026-16200\u003c/strong\u003e immediately once a fix is made available by the vendor to prevent remote authorization bypass.\u003c/li\u003e\n\u003cli\u003e\u003cstrong\u003eMonitor external network traffic\u003c/strong\u003e for unusual RPC activity directed towards zevorn rt-claw instances, as the RPC Handler is the affected component.\u003c/li\u003e\n\u003cli\u003e\u003cstrong\u003eImplement strict network segmentation\u003c/strong\u003e to limit exposure of zevorn rt-claw instances, especially preventing their direct exposure to the internet.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-07-19T01:17:56Z","date_published":"2026-07-19T01:17:56Z","id":"https://feed.craftedsignal.io/briefs/2026-07-rt-claw-authz/","summary":"A high-severity remote authorization bypass vulnerability (CVE-2026-16200) has been identified in zevorn rt-claw versions up to 0.2.0, specifically within the RPC Handler's claw_tool_invoke function, allowing remote exploitation with a public exploit.","title":"CVE-2026-16200: Remote Authorization Bypass in zevorn rt-claw","url":"https://feed.craftedsignal.io/briefs/2026-07-rt-claw-authz/"}],"language":"en","title":"CraftedSignal Threat Feed - Rt-Claw","version":"https://jsonfeed.org/version/1.1"}