What’s Vulnerable › Vulnerabilities

CVE-2026-27877: Public dashboards discloses all direct mode datasources

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-27 · updated 2026-07-15
• Weakness: CWE-312

Description

When using public dashboards and direct data-sources, all direct data-sources' passwords are exposed despite not being used in dashboards. No passwords of proxied data-sources are exposed. We encourage all direct data-sources to be converted to proxied data-sources as far as possible to improve your deployments' security.

Affected products

• Grafana: before 9.3.0; from 11.6.14 before 12.0.0; from 12.1.10 before 12.2.0; from 12.2.8 before 12.3.0; from 12.3.6 before 12.4.0 — fixed in 12.0.0, 12.2.0, 12.3.0, 12.4.0, 9.3.0

How to fix

Upgrade to a fixed version: Grafana 12.0.0, 12.2.0, 12.3.0, 12.4.0. Check the vendor advisory for mitigations.

References

• https://grafana.com/security/security-advisories/cve-2026-27877
• https://access.redhat.com/errata/RHSA-2026:10223
• https://access.redhat.com/errata/RHSA-2026:10226
• https://access.redhat.com/errata/RHSA-2026:11416
• https://access.redhat.com/errata/RHSA-2026:11417
• https://access.redhat.com/errata/RHSA-2026:19134
• https://access.redhat.com/errata/RHSA-2026:19352
• https://access.redhat.com/security/cve/CVE-2026-27877
• https://bugzilla.redhat.com/show_bug.cgi?id=2452293
• https://grafana.com/security/security-advisories/cve-2026-27877
• https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-27877.json

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