High severity · published Mar 27, 2026
CVE-2026-27877
Public dashboards discloses all direct mode datasources
7.5
CVSS
0.3%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GR
Grafana · Grafana
9.3.0 before 11.6.14; 12.0.0 before 12.1.10; 12.2.0 before 12.2.8; 12.3.0 before 12.3.6; 12.4.0 before 12.4.2 · source: vendor, NVD
RH
Red Hat Enterprise Linux 10 · Red Hat
All versions, or not specified · source: CISA
RH
Red Hat Enterprise Linux 10.0 Extended Update Support · Red Hat
All versions, or not specified · source: CISA
RH
Red Hat Enterprise Linux 9 · Red Hat
All versions, or not specified · source: CISA
RH
Red Hat Enterprise Linux 9.6 Extended Update Support · Red Hat
All versions, or not specified · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-27877
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-27877
Vendor Advisory
https://grafana.com/security/security-advisories/cve-2026-27877
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:10223
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:10226
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:11416
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:11417
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:19134
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