> CVE-2026-21721 [HIGH]

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PUBLISHED
2026-01-27 09:15
MODIFIED
2026-01-27 09:15
CVSS_SCORE V3
8.1
EPSS (Prob. Exploit)
0.72%
Top 46.4%
DATA SOURCES:
NVD đź”— 2026-01-27 RED HAT đź”— 2026-02-01 FIRST EPSS đź”— 2026-10-25

> DESCRIPTION

The dashboard permissions API does not verify the target dashboard scope and only checks the dashboards.permissions:* action. As a result, a user who has permission management rights on one dashboard can read and modify permissions on other dashboards. This is an organization‑internal privilege escalation.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> CVSS V3 METRICS

CVSS_VECTOR
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
EXPLOITABILITY
2.8
IMPACT
5.2

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Métrique Valeur Interprétation
AV (Vecteur d'Attaque)
Attack Vector
Network (N)
Exploit possible à distance via réseau (HTTP, API, etc.)
AC (Complexité d'Attaque)
Attack Complexity
Low (L)
Peu de conditions requises pour exploiter
PR (Privilèges Requis)
Privileges Required
Low (L)
Authentifié avec compte utilisateur basique
UI (Interaction Utilisateur)
User Interaction
None (N)
Aucune interaction utilisateur nécessaire
S (Périmètre)
Scope
Unchanged (U)
Impact reste dans le périmètre du composant compromis
C (Impact Confidentialité)
Confidentiality Impact
High (H)
Divulgation totale d'informations
I (Impact Intégrité)
Integrity Impact
High (H)
Modification totale des données possible
A (Impact Disponibilité)
Availability Impact
None (N)
Aucune interruption de service

> RÉSUMÉ DES IMPACTS

Confidentialité
High
Divulgation totale d'informations
Intégrité
High
Modification totale des données possible
Disponibilité
None
Aucune interruption de service

> RED HAT SECURITY ADVISORIES

Red Hat Security Advisory: grafana security update
An update for grafana is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System...
Red Hat Security Advisory: grafana security update
An update for grafana is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (...
Red Hat Security Advisory: grafana security update
An update for grafana is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vul...
Red Hat Security Advisory: grafana security update
An update for grafana is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vuln...
Red Hat Security Advisory: Red Hat Advanced Cluster Management for Kubernetes v2.12.8 security update
Red Hat Advanced Cluster Management for Kubernetes 2.12 General Availability release images, which add new features and enhancements, bug fixes, and updated container images.
Red Hat Security Advisory: Red Hat Advanced Cluster Management for Kubernetes v2.13.6 security update
Red Hat Advanced Cluster Management for Kubernetes 2.13 General Availability release images, which add new features and enhancements, bug fixes, and updated container images.
Red Hat Security Advisory: Red Hat Advanced Cluster Management for Kubernetes v2.11.10 security update
Red Hat Advanced Cluster Management for Kubernetes 2.11 General Availability release images, which add new features and enhancements, bug fixes, and updated container images.
Red Hat Security Advisory: Red Hat Advanced Cluster Management for Kubernetes v2.11.10 security update
Red Hat Advanced Cluster Management for Kubernetes 2.11 General Availability release images, which add new features and enhancements, bug fixes, and updated container images.
Red Hat Security Advisory: Red Hat Advanced Cluster Management for Kubernetes v2.11.10 security update
Red Hat Advanced Cluster Management for Kubernetes 2.11 General Availability release images, which add new features and enhancements, bug fixes, and updated container images.
Red Hat Security Advisory: Red Hat Ceph Storage
A new version of Red Hat build of Ceph Storage has been released

> RED HAT SEVERITY ASSESSMENT

THREAT SEVERITY
Important

> HISTORIQUE DES MODIFICATIONS

Première apparition
27/01/2026 09:15
Source: NVD
📊 ENRICHISSEMENT 01/02/2026 05:01
REDHAT
Champ modifié: Sévérité Red Hat
Ancienne valeur:
N/A
Nouvelle valeur:
{ "threat_severity": "Important", "severity_scale": null }
📊 ENRICHISSEMENT 01/02/2026 05:01
REDHAT
Champ modifié: Red Hat
Ancienne valeur:
Non
Nouvelle valeur:
Oui
Total des modifications: 2 Dernière mise à jour: 9 months ago

> REFERENCES

https://grafana.com/security/security-advisories/CVE-2026-21721
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