CVE-2025-3454 | BDVDB-2026-280733 Detail

GrafanaGrafana

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.

Impact#

CAPEC-129

Weaknesses#

CWE-285

References#

https://grafana.com/security/security-advisories/cve-2025-3454/

Exploit#

No public exploit known

History#

Version 12025-06-02Record published in the CVE List.

Published

Published: 2025-06-02
Last modified: 2025-06-02

Vendor information

Vendor: Grafana
Product: Grafana

All Grafana vulnerabilities

Score

5.0 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 40.1.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 11.6.0 and < 11.6.0+security-01
Fixed
11.6.0+security-01
Vulnerable
>= 11.5.0 and < 11.5.3+security-01
Fixed
11.5.3+security-01
Vulnerable
>= 11.4.0 and < 11.4.3+security-01
Fixed
11.4.3+security-01
Vulnerable
>= 11.3.0 and < 11.3.5+security-01
Fixed
11.3.5+security-01
Vulnerable
>= 11.2.0 and < 11.2.8+security-01
Fixed
11.2.8+security-01
Vulnerable
>= 10.4.0 and < 10.4.17+security-01
Fixed
10.4.17+security-01

Scoring System

CVSS v4.0

Not available

CVSS v3.1

5.0 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Changed
Confidentiality	Low
Integrity	None
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).