An Elastic Security Advisory informs users about new vulnerabilities in Elasticsearch and Kibana, providing both a CVE and an ESA identifier, as well as remediation steps. Recent vulnerabilities include a field disclosure flaw in Elasticsearch's Field Level Security and various flaws in Kibana, such as XSS flaws in region map and TSVB visualizations, a Denial of Service flaw in Timelion, and prototype pollution flaws in TSVB and the Upgrade Assistant. To address these issues, users are advised to upgrade to specific versions or configure settings to disable affected features. Additionally, Elasticsearch and Kibana have faced privilege escalation vulnerabilities related to API key generation, and Node.js vulnerabilities affecting Kibana's TLS handling and HTTP header processing. Mitigation often involves upgrading to newer software versions or disabling certain functionalities.