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Vulnerability Details :

CVE-2026-21725

Summary
Assigner-GRAFANA
Assigner Org ID-57da9224-a3e2-4646-9d0e-c4dc2e05e7da
Published At-25 Feb, 2026 | 12:35
Updated At-25 Feb, 2026 | 15:13
Rejected At-
Credits

Authorization Bypass via TOCTOU in Grafana Datasource Deletion by Name

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:GRAFANA
Assigner Org ID:57da9224-a3e2-4646-9d0e-c4dc2e05e7da
Published At:25 Feb, 2026 | 12:35
Updated At:25 Feb, 2026 | 15:13
Rejected At:
▼CVE Numbering Authority (CNA)
Authorization Bypass via TOCTOU in Grafana Datasource Deletion by Name

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.

Affected Products
Vendor
Grafana LabsGrafana
Product
Grafana
Platforms
  • OnPrem
Default Status
unaffected
Versions
Affected
  • From v11.0.0 before v12.4.1 (semver)
Metrics
VersionBase scoreBase severityVector
3.12.6LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:L
Version: 3.1
Base score: 2.6
Base severity: LOW
Vector:
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:L
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://grafana.com/security/security-advisories/cve-2026-21725
vendor-advisory
Hyperlink: https://grafana.com/security/security-advisories/cve-2026-21725
Resource:
vendor-advisory
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security@grafana.com
Published At:25 Feb, 2026 | 13:16
Updated At:27 Feb, 2026 | 03:34

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.12.6LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:L
Primary3.12.0LOW
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:N
Type: Secondary
Version: 3.1
Base score: 2.6
Base severity: LOW
Vector:
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:L
Type: Primary
Version: 3.1
Base score: 2.0
Base severity: LOW
Vector:
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:N
CPE Matches

Grafana Labs
grafana
>>grafana>>Versions from 11.0.0(inclusive) to 12.4.1(exclusive)
cpe:2.3:a:grafana:grafana:*:-:*:*:enterprise:*:*:*
Weaknesses
CWE IDTypeSource
CWE-367Primarynvd@nist.gov
CWE ID: CWE-367
Type: Primary
Source: nvd@nist.gov
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://grafana.com/security/security-advisories/cve-2026-21725security@grafana.com
Vendor Advisory
Hyperlink: https://grafana.com/security/security-advisories/cve-2026-21725
Source: security@grafana.com
Resource:
Vendor Advisory

Change History

0
Information is not available yet

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1Records found

CVE-2023-6690
Matching Score-4
Assigner-GitHub, Inc. (Products Only)
ShareView Details
Matching Score-4
Assigner-GitHub, Inc. (Products Only)
CVSS Score-3.9||LOW
EPSS-0.05% / 16.49%
||
7 Day CHG-0.04%
Published-21 Dec, 2023 | 20:45
Updated-02 Aug, 2024 | 08:35
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A race condition in GitHub Enterprise Server allowed an existing admin to maintain permissions on transferred repositories by making a GraphQL mutation to alter repository permissions during the transfer. This vulnerability affected GitHub Enterprise Server version 3.8.0 and above and was fixed in version 3.8.12, 3.9.7, 3.10.4, and 3.11.1.

Action-Not Available
Vendor-GitHub, Inc.
Product-enterprise_serverEnterprise Server
CWE ID-CWE-367
Time-of-check Time-of-use (TOCTOU) Race Condition
Details not found