What is the CVSS score of CVE-2026-21725?

CVE-2026-21725 has a CVSS 3.1 base score of 2.6 (Low). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:L. EPSS exploitation probability: 0.0%.

How to fix or mitigate CVE-2026-21725?

During next maintenance window: Apply vendor patches when convenient. Monitor vendor channels for updates.

Grafana CVE-2026-21725

LOW

Time-of-check Time-of-use (TOCTOU) Race Condition (CWE-367)

2026-02-25 security@grafana.com

Information Disclosure Grafana

2.6

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-367 OWASP Top 10:2025 A06:2021 - Vulnerable and Outdated Components ASVS 5.0 V14 - Configuration Dependency management, component inventory
Impact	CVSS 2.6 (LOW). Attack vector: Network. Complexity: High. Privileges required: Low. User interaction: Required. Exploitation requires authentication.
Exploit ScenarioDerived	An attacker (requires authentication) could exploit this vulnerability to compromise the affected system.

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).

No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

A time-of-create-to-time-of-use (TOCTOU) vulnerability lets recently deleted-then-recreated data sources be re-deleted without permission to do so. [CVSS 2.6 LOW]

RemediationAI

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

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

Technical ContextAI · show details

Affects Grafana. A time-of-create-to-time-of-use (TOCTOU) vulnerability lets recently deleted-then-recreated data sources be re-deleted without permission to do so.

This requires several very stringent conditions to be met:

The attacker must have admin access to the specific datasource prior to its first deletion.
Upon deletion, all steps within the attack must happen within the next 30 seconds and on the same pod of Grafana.
The attacker must delete the datasource, then someone must recreate it.
The n

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 2.6 LOW

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

DescriptionCVE.org

A time-of-create-to-time-of-use (TOCTOU) vulnerability lets recently deleted-then-recreated data sources be re-deleted without permission to do so.

This requires several very stringent conditions to be met:

The attacker must have admin access to the specific datasource prior to its first deletion.
Upon deletion, all steps within the attack must happen within the next 30 seconds and on the same pod of Grafana.
The attacker must delete the datasource, then someone must recreate it.
The new datasource must not have the attacker as an admin.
The new datasource must have the same UID as the prior datasource. These are randomised by default.
The datasource can now be re-deleted by the attacker.
Once 30 seconds are up, the attack is spent and cannot be repeated.
No datasource with any other UID can be attacked.

Executive ViewAI

Why It Matters

CVE-2026-21725 is a low-severity vulnerability (CVSS 2.6). The limited severity suggests constrained impact, typically requiring specific conditions or local access for exploitation. Apply vendor updates when available as part of routine maintenance.

Business Impact: Low

Compensating Controls

Apply vendor patch during routine maintenance. Standard security controls provide adequate interim protection.

Threat Intelligence Overview

EPSS Score

0.0%

Top 93% exploitable

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

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 LOW

CISA KEV No

Public POC No

EPSS 0.0%

Patch available No

Active threat No

Deciding rule

LOW severity (CVSS 0.1-3.9)

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

Human Impact

Low

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +13

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.