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Vulnerability record · CVE-2026-27877 · published 27 March 2026

CVE-2026-27877: Grafana cleartext storage of sensitive data vulnerability

Grafana · Grafana

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.

7.5 CVSS 3.1 High EPSS 0.40% · top 68.6% CWE-312 · Cleartext storage of sensitive data
7.5CVSS 3.1 base score
0.40%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
11References
15 Jul 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://grafana.com/security/security-advisories/cve-2026-27877 Vendor Advisory
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 Vendor Advisory
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-27877.json

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-27877), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.