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Arbitrary Code Execution in Grafana Image Renderer Plugin

Grafana Image Renderer is vulnerable to remote code execution due to an arbitrary file write vulnerability. This is due to the fact that the /render/csv endpoint lacked validation of the filePath parameter that allowed an attacker to save a shared object to an arbitrary location that is then loaded by the Chromium process. Instances are vulnerable if: 1. The default token ("authToken") is not changed, or is known to the attacker. 2. The attacker can reach the image renderer endpoint. This issu

CWE-94Oct 9, 2025
CVSS9.9v3.1EPSS0.594%PoCs2SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templatesSTIX

Grafana Image Renderer leaking files

Grafana Image Renderer is a Grafana backend plugin that handles rendering of panels & dashboards to PNGs using a headless browser (Chromium/Chrome). An internal security review identified an unauthorized file disclosure vulnerability. It is possible for a malicious user to retrieve unauthorized files under some network conditions or via a fake datasource (if user has admin permissions in Grafana). All Grafana installations should be upgraded to version 3.6.1 as soon as possible. As a workaround

CWE-200CWE-306Sep 2, 2022
CVSS8.3v3.1EPSS0.94%PoCs0SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templatesSTIX