Medium severity · published Jun 2, 2025
CVE-2025-3454
This vulnerability in Grafana's datasource proxy API allows authorization checks to be bypassed by adding an extra slash character in the URL path
5.0
CVSS
0.5%
EPSS
No
On KEV
Description
This vulnerability in Grafana's datasource proxy API allows authorization checks to be bypassed by adding an extra slash character in the URL path.
Users with minimal permissions could gain unauthorized read access to GET endpoints in Alertmanager and Prometheus datasources.
The issue primarily affects datasources that implement route-specific permissions, including Alertmanager and certain Prometheus-based datasources.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GR
Grafana · Grafana
11.6.0 before 11.6.0+security-01; 11.5.0 before 11.5.3+security-01; 11.4.0 before 11.4.3+security-01; 11.3.0 before 11.3.5+security-01; 11.2.0 before 11.2.8+security-01; 10.4.0 before 10.4.17+security-01 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-3454
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-3454
grafana.com
https://grafana.com/security/security-advisories/cve-2025-3454/
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