CVE entry · CVE-2021-43798
CVE-2021-43798: Grafana Path Traversal Vulnerability
Grafana contains a path traversal vulnerability that could allow access to local files.
- Actively exploited: added to CISA’s KEV catalog on October 9, 2025.
- Use by ransomware: not established so far.
- Remediation deadline for US federal agencies: October 30, 2025.
Description from CISA’s KEV catalog.
What to do
- Check whether your estate includes Grafana Labs Grafana, including internet-facing devices.
- Apply the vendor’s patch or mitigations (references below). Failing that, isolate the product or stop using it, as CISA requires of US federal agencies.
- An exploited vulnerability has often been used before it was fixed: look for signs of compromise, especially on internet-facing devices.