Skip to content
OpenAdvisories
Medium WID-SEC-2026-1546 10 CVEs

Grafana: Mehrere Schwachstellen

Published May 14, 2026 · Updated Nov 12, 2026 · Revision 17 · de

Vendor: Grafana Vendor: Oracle Vendor: Red Hat Vendor: RESF Vendor: SUSE Product: Enterprise Linux Product: Grafana Product: Linux Product: Linux Product: openSUSE Product: Rocky Linux Platform: Linux Platform: Windows

Summary

Ein Angreifer kann mehrere Schwachstellen in Grafana ausnutzen, um erweiterte Privilegien zu erlangen, Sicherheitsmaßnahmen zu umgehen, Daten zu manipulieren oder offenzulegen oder einen Denial-of-Service-Zustand zu verursachen.

Product

Grafana ist eine Analyse- und Visualisierungssoftware.

Vulnerabilities 10

  • High 7.4
    CVE-2026-33376

    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,…

    Grafana Grafana OSS grafana grafana-12.4 Web / CMS Ubuntu Wolfi
  • High 7.1
    CVE-2026-33377

    Dashboard Import Overwrites ACL — Editor Privilege Escalation to Dashboard Admin

    An Editor can overwrite a dashboard not owned by them to acquire admin on that specific dashboard. The user must have write access to the dashboard to escalate privilege.

    Grafana Grafana OSS grafana grafana-12.4 Web / CMS Ubuntu Wolfi
  • Medium 6.5
    CVE-2026-28376

    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 issu…

    Grafana Grafana OSS grafana grafana-12.4 Web / CMS Ubuntu Wolfi
  • Medium 6.5
    CVE-2026-28379

    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.

    Grafana Grafana OSS grafana grafana-12.4 Web / CMS Ubuntu Wolfi
  • Medium 6.5
    CVE-2026-28380

    BAC in Snapshot API allows deletion of unauthorized dashboard snapshots

    Any Editor could delete any snapshot, even if they have no access to read or write them.

    Grafana Grafana OSS grafana grafana-12.4 Web / CMS Ubuntu Wolfi
  • Medium 6.5
    CVE-2026-28383

    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.

    Grafana Grafana OSS grafana grafana-12.4 Web / CMS Ubuntu Wolfi
  • Medium 6.5
    CVE-2026-33378

    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.

    Grafana Grafana OSS grafana grafana-12.4 Web / CMS Ubuntu Wolfi
  • Medium 6.3
    CVE-2026-33380

    SQL Expressions Read File From Disk

    A vulnerability in SQL Expressions allows an authenticated attacker to read arbitrary files from the Grafana server's filesystem. Only instances with the sqlExpressions feature toggle enabled are vulnerable.

    Grafana Grafana OSS grafana grafana-12.4 Web / CMS Ubuntu Wolfi Go
  • Medium 5.9
    CVE-2026-33381

    Users can generate Service Account tokens after permissions removal

    When a user's access to mint tokens for a service account is revoked, it is sometimes still possible to do so for a few seconds after the event. The user will eventually lose access to do this.

    Grafana Grafana OSS grafana grafana-12.4 Web / CMS Ubuntu Wolfi Go
  • Medium 4.3
    CVE-2026-28374

    IDOR in Annotations API allows unprivileged users to DELETE annotation

    Editors could delete any annotation, even those they do not have read access to. The editor user cannot create or read the annotations.

    Grafana Grafana OSS grafana grafana-12.4 Web / CMS Ubuntu Wolfi

Revision history

  1. #17

    Neue Updates von Rocky Enterprise Software Foundation aufgenommen

  2. #16

    Neue Updates von Red Hat aufgenommen

  3. #15

    Neue Updates von Red Hat aufgenommen

  4. #14

    Neue Updates von Rocky Enterprise Software Foundation aufgenommen

  5. #13

    Neue Updates von Red Hat aufgenommen

  6. #12

    Neue Updates von Oracle Linux aufgenommen

  7. #11

    Neue Updates von SUSE, Oracle Linux und Rocky Enterprise Software Foundation aufgenommen

  8. #10

    Neue Updates von Red Hat aufgenommen

  9. #9

    Neue Updates von Oracle Linux und Rocky Enterprise Software Foundation aufgenommen

  10. #8

    Neue Updates von Oracle Linux aufgenommen

  11. #7

    Neue Updates von Red Hat aufgenommen

  12. #6

    Neue Updates von Red Hat aufgenommen

  13. #5

    Neue Updates von Red Hat aufgenommen

  14. #4

    Neue Updates von Red Hat aufgenommen

  15. #3

    Neue Updates von Red Hat aufgenommen

  16. #2

    Neue Updates von openSUSE aufgenommen

  17. #1

    Initiale Fassung

References