{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata — refreshed continuously.","feed_url":"https://feed.craftedsignal.io/tags/application-compromise/","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cves":[{"cvss":7.3,"id":"CVE-2026-43531"}],"_cs_exploited":false,"_cs_products":["OpenClaw"],"_cs_severities":["high"],"_cs_tags":["environment variable injection","application compromise","cve-2026-43531"],"_cs_type":"advisory","_cs_vendors":["OpenClaw"],"content_html":"\u003cp\u003eOpenClaw before version 2026.4.9 is susceptible to an environment variable injection vulnerability. This flaw enables attackers to manipulate runtime-control variables by crafting malicious workspace .env files. Successful exploitation can lead to the redirection of update sources to attacker-controlled servers, modification of gateway URLs to intercept traffic, alteration of ClawHub resolution to point to malicious resources, and substitution of browser executable paths to execute arbitrary code. This vulnerability allows an attacker to potentially gain control of the application\u0026rsquo;s behavior and compromise the underlying system.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eThe attacker crafts a malicious \u003ccode\u003e.env\u003c/code\u003e file containing environment variable definitions designed to override default application settings.\u003c/li\u003e\n\u003cli\u003eThe attacker places the malicious \u003ccode\u003e.env\u003c/code\u003e file into a workspace directory accessible by the OpenClaw application.\u003c/li\u003e\n\u003cli\u003eOpenClaw application parses the \u003ccode\u003e.env\u003c/code\u003e file during startup or when a workspace is loaded.\u003c/li\u003e\n\u003cli\u003eThe application reads the attacker-controlled environment variables, which are intended to modify update sources, gateway URLs, ClawHub resolution endpoints, and browser executable paths.\u003c/li\u003e\n\u003cli\u003eThe attacker redirects the update source to a malicious server hosting a compromised update package.\u003c/li\u003e\n\u003cli\u003eThe application downloads and installs the malicious update, leading to code execution.\u003c/li\u003e\n\u003cli\u003eAlternatively, the attacker manipulates the browser executable path to execute arbitrary code using a different application.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of this vulnerability allows attackers to inject arbitrary environment variables, leading to code execution and potential system compromise. Attackers could redirect update sources, manipulate gateway URLs, or alter browser executable paths to execute malicious code. Given the potential for complete system compromise, this vulnerability poses a significant risk to organizations using affected versions of OpenClaw.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUpgrade OpenClaw to version 2026.4.9 or later to patch the environment variable injection vulnerability (CVE-2026-43531).\u003c/li\u003e\n\u003cli\u003eImplement strict file integrity monitoring on workspace directories to detect unauthorized modification of \u003ccode\u003e.env\u003c/code\u003e files using a file_event Sigma rule.\u003c/li\u003e\n\u003cli\u003eMonitor process execution for OpenClaw using unexpected browser executable paths by deploying the process_creation Sigma rule below.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-05-05T12:16:19Z","date_published":"2026-05-05T12:16:19Z","id":"/briefs/2026-05-openclaw-env-injection/","summary":"OpenClaw before version 2026.4.9 is vulnerable to environment variable injection, allowing attackers to use malicious workspace .env files to set runtime-control variables and compromise application behavior affecting update sources, gateway URLs, ClawHub resolution, and browser executable paths.","title":"OpenClaw Environment Variable Injection Vulnerability","url":"https://feed.craftedsignal.io/briefs/2026-05-openclaw-env-injection/"}],"language":"en","title":"CraftedSignal Threat Feed — Application Compromise","version":"https://jsonfeed.org/version/1.1"}