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Grafana EUVDEUVD-2025-16644

| CVE-2025-3454 MEDIUM
Improper Authorization (CWE-285)
2025-06-02 security@grafana.com GHSA-9j65-rv5x-4vrf
Authentication Bypass Debian Ubuntu Red Hat Grafana Suse
5.0
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-285
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization verification
MITRE ATT&CK

1 technique across 1 tactic: Defense Evasion

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

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Impact

CVSS score of 5.0 (MEDIUM).
This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 14, 2026

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.

Earlier versions of this analysis (1)
v1 Mar 14, 2026 - 16:47 CVSS 5.0

RemediationAI

Monitor vendor advisories for patches. Apply mitigations such as network segmentation, access restrictions, and monitoring.

Affected VersionsENISA

Grafana 11.3.0 <11.3.5+security-01
Grafana Enterprise 11.6.0 <11.6.0+security-01
Grafana Enterprise 11.5.0 <11.5.3+security-01
Grafana 11.6.0 <11.6.0+security-01
Grafana 11.5.0 <11.5.3+security-01
Grafana 11.4.0 <11.4.3+security-01
Grafana 11.2.0 <11.2.8+security-01
Grafana Enterprise 11.3.0 <11.3.5+security-01
Grafana 10.4.0 <10.4.17+security-01
Grafana Enterprise 10.4.0 <10.4.17+security-01
Grafana Enterprise 11.4.0 <11.4.3+security-01
Grafana Enterprise 11.2.0 <11.2.8+security-01

Affected Packages

go github.com/grafana/grafana fix: 0.0.0-20250424191517-1f707d16ed5d
euvd grafana fix: 10.4.17+security-01, 11.2.8+security-01, 11.3.5+security-01, 11.4.3+security-01, 11.5.3+security-01, 11.6.0+security-01
euvd grafana_enterprise fix: 10.4.17+security-01, 11.2.8+security-01, 11.3.5+security-01, 11.4.3+security-01, 11.5.3+security-01, 11.6.0+security-01

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 3 packages in go, euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

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Technical ContextAI · show details

This vulnerability is classified as Improper Authorization (CWE-285).

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 5.0 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Ubuntu MEDIUM
SUSE 4.3 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Red Hat 4.3 MEDIUM

Primary rating from NVD.

CVSS VectorNVD

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

Lifecycle Timeline

2
Patch released
Mar 31, 2026 - 21:13 nvd
Patch available
CVE Published
Jun 02, 2025 - 11:15 nvd
MEDIUM 5.0

Executive ViewAI

Why It Matters

CVE-2025-3454 presents moderate security risk rated CVSS 5.0. Exploitation could compromise the security of affected deployments. Organizations should apply vendor updates when available and monitor for exploitation.

Business Impact: Low
Compensating Controls

Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.

Threat Intelligence Overview

EPSS Score
0.0%
Top 97% exploitable
Data Quality
6 sources
Confidence: High
EUVD NVD CVE.org EPSS Vendor GitHub

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.0%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact
Low

Priority Score

25
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +25
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

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CVE-2022-26148 CRITICAL POC
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9.8 Aug 29

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CVE-2026-63087 CRITICAL POC
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Authentication bypass in Grafana OnCall through 1.16.11 lets unauthenticated remote attackers mint a valid PluginAuthTok
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7.5 Apr 26

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CVE-2022-32275 HIGH POC
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Grafana 8.4.3 allows reading files via (for example) a /dashboard/snapshot/%7B%7Bconstructor.constructor'/.. Rated high

Same weakness CWE-285 – Improper Authorization

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Same technique Authentication Bypass

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9.3

Vendor StatusVendor

Ubuntu

Priority: Medium
grafana
Release Status Version
xenial needs-triage -
focal DNE -
jammy DNE -
noble DNE -
oracular DNE -
plucky DNE -
upstream needs-triage -
questing DNE -

Debian

grafana
Release Status Fixed Version Urgency
(unstable) fixed (unfixed) -

SUSE

Severity: Medium
Product Status
Image SLES15-SP4-Manager-Server-4-3-BYOS Image SLES15-SP4-Manager-Server-4-3-BYOS-Azure Image SLES15-SP4-Manager-Server-4-3-BYOS-EC2 Image SLES15-SP4-Manager-Server-4-3-BYOS-GCE Affected
SUSE Linux Enterprise Module for Package Hub 15 SP6 Fixed
SUSE Linux Enterprise Module for Package Hub 15 SP7 Fixed
SUSE Linux Enterprise Server 12 SP5-LTSS Fixed
SUSE Linux Enterprise Server 16.0 Fixed

References

Advisories & patches
ADVISORY https://github.com/grafana/grafana ADVISORY https://github.com/grafana/grafana/blob/be8d153dc33734caba4f617ff571d18253e68fa0/CHANGELOG.md#10417security-01-2025-04-22 ADVISORY https://grafana.com/blog/2025/04/22/grafana-security-release-medium-and-high-severity-fixes-for-cve-2025-3260-cve-2025-2703-cve-2025-3454 ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2025-3454 ADVISORY https://www.suse.com/support/update/SUSE-SU-2025:01985/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2025:01987/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2025:01989/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2025:01991/ ADVISORY https://www.suse.com/support/update/SUSE-SU-2025:15052/ REF https://grafana.com/security/security-advisories/cve-2025-3454/

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