GRAFANA RELEASES CRITICAL SECURITY UPDATE FOR IMAGE RENDERER PLUGIN

Summary from the TLDR InfoSec newsletter

Grafana Labs has issued security updates for its Image Renderer plugin and Synthetic Monitoring Agent to fix four high-severity Chromium vulnerabilities (CVE-2025-5959, CVE-2025-6554, CVE-2025-6191, and CVE-2025-6192). These flaws could allow remote code execution, memory access, and heap corruption via crafted HTML pages. Affected versions are those prior to 3.12.9 for Image Renderer and 0.38.3 for Monitoring Agent, both of which include a headless Chromium browser for dashboard rendering. Users should update immediately. Cloud and Azure instances have already been patched.