{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata — refreshed continuously.","feed_url":"https://feed.craftedsignal.io/tags/wazuh/","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cves":[],"_cs_exploited":false,"_cs_products":[],"_cs_severities":["critical"],"_cs_tags":["wazuh","vulnerability","code-execution","data-manipulation"],"_cs_type":"advisory","_cs_vendors":[],"content_html":"\u003cp\u003eWazuh, a widely used open-source security information and event management (SIEM) system, is susceptible to multiple vulnerabilities that could have severe consequences for organizations relying on it for security monitoring. These vulnerabilities, if exploited, could allow attackers to perform a denial-of-service (DoS) attack, execute arbitrary code, manipulate sensitive data, and expose confidential information. The specifics of these vulnerabilities are not detailed in this brief, but the potential impact necessitates immediate attention from security teams to identify and mitigate any risks associated with running vulnerable versions of Wazuh. Successful exploitation could lead to full system compromise and a loss of confidence in security monitoring capabilities.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAttacker identifies a vulnerable Wazuh instance through reconnaissance.\u003c/li\u003e\n\u003cli\u003eAttacker exploits a vulnerability allowing for arbitrary code execution, possibly through a crafted network request.\u003c/li\u003e\n\u003cli\u003eThe attacker gains initial access to the Wazuh server with elevated privileges.\u003c/li\u003e\n\u003cli\u003eThe attacker uses the gained privileges to manipulate data stored within the Wazuh instance, potentially altering logs or security configurations.\u003c/li\u003e\n\u003cli\u003eThe attacker leverages another vulnerability to achieve persistent access to the system, such as modifying system files or installing backdoors.\u003c/li\u003e\n\u003cli\u003eThe attacker dumps credentials or sensitive information stored within the Wazuh server, potentially compromising connected systems.\u003c/li\u003e\n\u003cli\u003eThe attacker launches a denial-of-service attack against the Wazuh server, disrupting security monitoring capabilities.\u003c/li\u003e\n\u003cli\u003eThe attacker uses the compromised Wazuh instance as a pivot point to attack other systems within the network.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of these vulnerabilities could have devastating consequences. Organizations could experience a complete failure of their security monitoring infrastructure due to denial-of-service. Sensitive data, including logs, configuration files, and credentials, could be exposed, leading to data breaches and compliance violations. The arbitrary code execution vulnerability can result in complete system compromise, allowing attackers to move laterally within the network and inflict further damage, such as data exfiltration or ransomware deployment. The scope of impact depends on the criticality and exposure of the Wazuh instance within the organization\u0026rsquo;s infrastructure.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eInvestigate Wazuh installations for known vulnerabilities and apply necessary patches from the vendor.\u003c/li\u003e\n\u003cli\u003eImplement network segmentation to limit the blast radius of a potential compromise of the Wazuh server.\u003c/li\u003e\n\u003cli\u003eEnable and review Wazuh\u0026rsquo;s internal audit logs for suspicious activity indicative of exploitation attempts (logsource: \u0026ldquo;file_event\u0026rdquo;, product: \u0026ldquo;linux\u0026rdquo;).\u003c/li\u003e\n\u003cli\u003eDeploy the provided Sigma rules to detect potential exploitation attempts and suspicious activity related to Wazuh (see rules below).\u003c/li\u003e\n\u003cli\u003eMonitor network traffic to and from the Wazuh server for unusual patterns or connections to suspicious external IP addresses (logsource: \u0026ldquo;network_connection\u0026rdquo;).\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-03-30T11:24:10Z","date_published":"2026-03-30T11:24:10Z","id":"/briefs/2026-03-wazuh-vulns/","summary":"Multiple vulnerabilities in Wazuh allow an attacker to perform denial-of-service attacks, execute arbitrary code, manipulate data, and disclose sensitive information, potentially leading to significant data breaches and system compromise.","title":"Multiple Vulnerabilities in Wazuh Leading to Code Execution and Data Manipulation","url":"https://feed.craftedsignal.io/briefs/2026-03-wazuh-vulns/"}],"language":"en","title":"CraftedSignal Threat Feed — Wazuh","version":"https://jsonfeed.org/version/1.1"}