CVE-2025-1088: Very long unicode dashboard title or panel name can hang the frontend

Severity: low (CVSS 2.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-06-18 · updated 2026-06-17
Weakness: CWE-20

Description

In Grafana, an excessively long dashboard title or panel name will cause Chromium browsers to become unresponsive due to Improper Input Validation vulnerability in Grafana. This issue affects Grafana: before 11.6.2 and is fixed in 11.6.2 and higher.

Affected products

Grafana: before 11.6.2 — fixed in 11.6.2

How to fix

Upgrade to a fixed version: Grafana 11.6.2. Check the vendor advisory for mitigations.

References

https://grafana.com/security/security-advisories/cve-2025-1088/

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