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grafana vulnerabilities

Vulnerability published for grafana in the last 30 days: 1. Listed in the KEV catalogue: 0.

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Vulnerabilities: 95

  1. CVE-2026-33374

    Medium · CVSS 6.5EPSS 0.37%No fix published

    Unbounded memory allocation in the Prometheus rule conversion API

    The Prometheus rule conversion API endpoints in Grafana do not limit request body size, allowing authenticated users to trigger unbounded memory allocations that can crash the server through out-of-memory conditions.

    Published Updated
  2. CVE-2026-19197

    Medium · CVSS 6.3EPSS 0.15%No fix published

    Broken access control in dashboard snapshots

    A user with organization administrator permissions can delete dashboard snapshots belonging to other organizations on the same Grafana instance, and can recover a snapshot's secret delete key using only its public share key (broken access control).

    Published Updated
  3. CVE-2026-17183

    High · CVSS 7.1EPSS 0.29%No fix published

    CVE-2026-17183 CVE Record

    An authenticated user with permission to create or edit alert rules can bypass datasource query authorization by marking an alert rule query as a server-side expression while referencing a real datasource UID (incorrect authorization). This can expose data accessible through Grafana's configured datasource credentials to users who lack permission to query that datasource.

    Published Updated
  4. CVE-2026-11817

    Medium · CVSS 5.3EPSS 0.35%No fix published

    CVE-2026-11817 CVE Record

    This vulnerability only affects Grafana stacks configured with multiple organizations; single-organization deployments are not impacted. In a multi-organization stack, a user who is an Org Admin of a single organization can call GET /api/access-control/users/permissions/search?actionPrefix=dashboards: and receive permission data belonging to other organizations. The disclosed data is limited to dashboard and folder identifiers (UIDs) and per-user permission/scope mappings (which user holds which access on which dashboard). Dashboard contents, panels, query results, datasource credentials, secrets, and personal data are not exposed. This is a

    Published Updated
  5. CVE-2026-42127

    High · CVSS 7.5EPSS 0.43%No fix published

    Pre-authentication denial of service in the public dashboard query endpoint

    The public dashboard query endpoint does not limit request body size before processing, allowing unauthenticated attackers to trigger excessive memory allocation by sending arbitrarily large JSON payloads. This can lead to denial of service through memory exhaustion. No valid dashboard access token or authentication is required to exploit this vulnerability.

    Published Updated
  6. CVE-2026-9029

    High · CVSS 7.3EPSS 0.25%No fix published

    Stored XSS in the Geomap panel tile-layer attribution

    A user with Editor permissions can place a malicious script in the attribution field of a Geomap panel's XYZ tile layer via a template variable. The script then executes in the browser of any user who views the affected dashboard (stored cross-site scripting).

    Published Updated
  7. CVE-2026-33378

    Medium · CVSS 6.5EPSS 0.33%No fix published

    Grafana Data Source Plugin: DoS (OOM) via Negative Interval Injection in $__timeGroup Macro

    Using the $__timeGroup macro, one can achieve an OOM by overloading the server. This requires a SQL datasource. If the server is set up to auto-restart, the impact is minimal or non-existent, as the attack can take upwards of half an hour to crash the server.

    Published Updated
  8. CVE-2026-28383

    Medium · CVSS 6.5EPSS 0.33%No fix published

    Grafana plugin resources can lead to unbounded memory allocation

    A request to the Grafana plugin resources endpoint can cause unbounded memory allocation by reading the entire request body into memory. An authenticated user can exploit this to trigger an out-of-memory condition, potentially causing a denial of service.

    Published Updated
  9. CVE-2026-33376

    High · CVSS 7.4EPSS 0.28%No fix published

    Auth Proxy IPv6 whitelist bypass

    When using an IPv6 allow-list for the Auth Proxy feature, it defaults to /32 addresses. Addresses specifying a mask explicitly are not affected; to mitigate easily, add the desired mask (usually /128) to the addresses. Only auth proxy is affected; Okta, SAML, LDAP, etc are unaffected here.

    Published Updated
  10. CVE-2026-28376

    Medium · CVSS 6.5EPSS 0.33%No fix published

    Grafana Live push endpoint allows unbounded memory allocation leading to OOM

    The Grafana Live push endpoint can be exploited to cause unbounded memory allocation by sending a large or streaming request body, potentially leading to out-of-memory conditions. An authenticated user with access to the Grafana Live API can trigger this issue.

    Published Updated
  11. CVE-2026-28379

    Medium · CVSS 6.5EPSS 0.26%No fix published

    Viewer-triggered race condition in Grafana Live leads to complete server crash

    A race condition in Grafana Live allows authenticated users with Viewer role to trigger a server crash by sending concurrent requests that cause a fatal map access error. This results in complete service unavailability requiring restart of the Grafana server.

    Published Updated
  12. CVE-2026-21727

    Low · CVSS 3.3EPSS 0.2%No fix published

    Grafana Correlations: Cross-Tenant Data Disclosure and Permanent Deletion via Legacy org_id=0 Record

    A cross-tenant isolation vulnerability was found in Grafana’s Correlations feature affecting legacy correlation records. Due to a backward compatibility condition allowing org_id = 0 records to be returned across organizations, a user with datasource management privileges could read and permanently delete legacy correlation data belonging to another organization. This issue affects correlations created prior to Grafana 10.2 and is fixed in >=11.6.11, >=12.0.9, >=12.1.6, and >=12.2.4. Thanks to Gyu-hyeok Lee (g2h) for reporting this vulnerability.

    Published Updated
  13. CVE-2025-12141

    Low · CVSS 1.3EPSS 0.26%No fix published

    Grafana Alerting Editors can edit destination of webhooks they did not create

    In Grafana's alerting system, users with edit permissions for a contact point, specifically the permissions “alert.notifications:write” or “alert.notifications.receivers:test” that are granted as part of the fixed role "Contact Point Writer", which is part of the basic role Editor - can edit contact points created by other users, modify the endpoint URL to a controlled server. By invoking the test functionality, attackers can capture and extract redacted secure settings, such as authentication credentials for third-party services (e.g., Slack tokens). This leads to unauthorized access and potential compromise of external integrations.

    Published Updated

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