Grafana: several flaws let logged-in users bypass protections and read or change data
Grafana is a dashboard tool for charts and monitoring. Several bugs let someone who already has a login do more than they should, such as reading data or disrupting the service.
| Severity | CriticalVulnerability |
|---|---|
| Being exploited? | UnclearNo reports either way yet |
| Fix available? | UnclearNo fixed version published in the sources yet |
| How sure is this? | Official sourceBacked by an official source |
What happened
Multiple vulnerabilities in Grafana can be exploited by a remote, authenticated attacker to bypass security controls, manipulate data, cause denial of service, or read information. Specific affected versions are not stated in the material.
Are you affected?
You are affected if you run Grafana on a network reachable by users or attackers who have valid Grafana credentials, though the exact affected versions and configurations are not stated in the material.
What to do
- Check the Grafana version you run and compare it with the official Grafana security advisories
- Update Grafana to the fixed version named in the vendor advisory as soon as possible
- Limit who can log in and restrict network access to your Grafana instance until patched
Timeline
- 29 Oct 2026, 14:00 UTCPublicly disclosed
- 29 Oct 2026, 14:00 UTCReported by CERT-Bund (BSI) · CERT-Bund (BSI)
- 29 Oct 2026, 14:04 UTCPicked up by Zero Radar
Sources 1 report, oldest first
Official vendor, government CERT or advisory database
- [NEU] [kritisch] Grafana: Mehrere SchwachstellenCERT-Bund (BSI) · 29 Oct 2026, 14:00 UTC
Technical details
- ID
- ZR-23f0c9db
- Disclosed
- 29 Oct 2026, 14:00 UTC
- On Zero Radar
- 29 Oct 2026, 14:04 UTC (4 min after disclosure)
- Last change
- 29 Oct 2026, 14:04 UTC
The plain-language parts and the attack diagram were written by an AI model (anthropic/claude-haiku-5.5) from the sources above. Facts like versions, exploitation and dates come from the sources themselves. How Zero Radar works