RHSA-2026:3078

Vulnerability from csaf_redhat - Published: 2026-02-23 11:43 - Updated: 2026-03-02 17:11
Summary
Red Hat Security Advisory: grafana security update

Notes

Topic
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 Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
Grafana is an open source, feature rich metrics dashboard and graph editor for Graphite, InfluxDB & OpenTSDB. Security Fix(es): * grafana/grafana/pkg/services/dashboards: Grafana Dashboard Permissions Scope Bypass Enables Cross?Dashboard Privilege Escalation (CVE-2026-21721) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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        "relates_to_product_reference": "AppStream-10.0.Z.E2S"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "grafana-selinux-0:10.2.6-20.el10_0.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)",
          "product_id": "AppStream-10.0.Z.E2S:grafana-selinux-0:10.2.6-20.el10_0.s390x"
        },
        "product_reference": "grafana-selinux-0:10.2.6-20.el10_0.s390x",
        "relates_to_product_reference": "AppStream-10.0.Z.E2S"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "grafana-selinux-0:10.2.6-20.el10_0.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 10.0)",
          "product_id": "AppStream-10.0.Z.E2S:grafana-selinux-0:10.2.6-20.el10_0.x86_64"
        },
        "product_reference": "grafana-selinux-0:10.2.6-20.el10_0.x86_64",
        "relates_to_product_reference": "AppStream-10.0.Z.E2S"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-21721",
      "cwe": {
        "id": "CWE-639",
        "name": "Authorization Bypass Through User-Controlled Key"
      },
      "discovery_date": "2026-01-27T10:02:34.317952+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2433242"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "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\u2011internal privilege escalation.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "grafana/grafana/pkg/services/dashboards: Grafana Dashboard Permissions Scope Bypass Enables Cross\u2011Dashboard Privilege Escalation",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "AppStream-10.0.Z.E2S:grafana-0:10.2.6-20.el10_0.aarch64",
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          "AppStream-10.0.Z.E2S:grafana-0:10.2.6-20.el10_0.src",
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          "AppStream-10.0.Z.E2S:grafana-selinux-0:10.2.6-20.el10_0.ppc64le",
          "AppStream-10.0.Z.E2S:grafana-selinux-0:10.2.6-20.el10_0.s390x",
          "AppStream-10.0.Z.E2S:grafana-selinux-0:10.2.6-20.el10_0.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-21721"
        },
        {
          "category": "external",
          "summary": "RHBZ#2433242",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2433242"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-21721",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-21721"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-21721",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-21721"
        },
        {
          "category": "external",
          "summary": "https://grafana.com/security/security-advisories/CVE-2026-21721",
          "url": "https://grafana.com/security/security-advisories/CVE-2026-21721"
        }
      ],
      "release_date": "2026-01-27T09:07:55.160000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-02-23T11:43:01+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
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            "AppStream-10.0.Z.E2S:grafana-0:10.2.6-20.el10_0.s390x",
            "AppStream-10.0.Z.E2S:grafana-0:10.2.6-20.el10_0.src",
            "AppStream-10.0.Z.E2S:grafana-0:10.2.6-20.el10_0.x86_64",
            "AppStream-10.0.Z.E2S:grafana-debuginfo-0:10.2.6-20.el10_0.aarch64",
            "AppStream-10.0.Z.E2S:grafana-debuginfo-0:10.2.6-20.el10_0.ppc64le",
            "AppStream-10.0.Z.E2S:grafana-debuginfo-0:10.2.6-20.el10_0.s390x",
            "AppStream-10.0.Z.E2S:grafana-debuginfo-0:10.2.6-20.el10_0.x86_64",
            "AppStream-10.0.Z.E2S:grafana-debugsource-0:10.2.6-20.el10_0.aarch64",
            "AppStream-10.0.Z.E2S:grafana-debugsource-0:10.2.6-20.el10_0.ppc64le",
            "AppStream-10.0.Z.E2S:grafana-debugsource-0:10.2.6-20.el10_0.s390x",
            "AppStream-10.0.Z.E2S:grafana-debugsource-0:10.2.6-20.el10_0.x86_64",
            "AppStream-10.0.Z.E2S:grafana-selinux-0:10.2.6-20.el10_0.aarch64",
            "AppStream-10.0.Z.E2S:grafana-selinux-0:10.2.6-20.el10_0.ppc64le",
            "AppStream-10.0.Z.E2S:grafana-selinux-0:10.2.6-20.el10_0.s390x",
            "AppStream-10.0.Z.E2S:grafana-selinux-0:10.2.6-20.el10_0.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2026:3078"
        },
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
          "product_ids": [
            "AppStream-10.0.Z.E2S:grafana-0:10.2.6-20.el10_0.aarch64",
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            "AppStream-10.0.Z.E2S:grafana-0:10.2.6-20.el10_0.s390x",
            "AppStream-10.0.Z.E2S:grafana-0:10.2.6-20.el10_0.src",
            "AppStream-10.0.Z.E2S:grafana-0:10.2.6-20.el10_0.x86_64",
            "AppStream-10.0.Z.E2S:grafana-debuginfo-0:10.2.6-20.el10_0.aarch64",
            "AppStream-10.0.Z.E2S:grafana-debuginfo-0:10.2.6-20.el10_0.ppc64le",
            "AppStream-10.0.Z.E2S:grafana-debuginfo-0:10.2.6-20.el10_0.s390x",
            "AppStream-10.0.Z.E2S:grafana-debuginfo-0:10.2.6-20.el10_0.x86_64",
            "AppStream-10.0.Z.E2S:grafana-debugsource-0:10.2.6-20.el10_0.aarch64",
            "AppStream-10.0.Z.E2S:grafana-debugsource-0:10.2.6-20.el10_0.ppc64le",
            "AppStream-10.0.Z.E2S:grafana-debugsource-0:10.2.6-20.el10_0.s390x",
            "AppStream-10.0.Z.E2S:grafana-debugsource-0:10.2.6-20.el10_0.x86_64",
            "AppStream-10.0.Z.E2S:grafana-selinux-0:10.2.6-20.el10_0.aarch64",
            "AppStream-10.0.Z.E2S:grafana-selinux-0:10.2.6-20.el10_0.ppc64le",
            "AppStream-10.0.Z.E2S:grafana-selinux-0:10.2.6-20.el10_0.s390x",
            "AppStream-10.0.Z.E2S:grafana-selinux-0:10.2.6-20.el10_0.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "products": [
            "AppStream-10.0.Z.E2S:grafana-0:10.2.6-20.el10_0.aarch64",
            "AppStream-10.0.Z.E2S:grafana-0:10.2.6-20.el10_0.ppc64le",
            "AppStream-10.0.Z.E2S:grafana-0:10.2.6-20.el10_0.s390x",
            "AppStream-10.0.Z.E2S:grafana-0:10.2.6-20.el10_0.src",
            "AppStream-10.0.Z.E2S:grafana-0:10.2.6-20.el10_0.x86_64",
            "AppStream-10.0.Z.E2S:grafana-debuginfo-0:10.2.6-20.el10_0.aarch64",
            "AppStream-10.0.Z.E2S:grafana-debuginfo-0:10.2.6-20.el10_0.ppc64le",
            "AppStream-10.0.Z.E2S:grafana-debuginfo-0:10.2.6-20.el10_0.s390x",
            "AppStream-10.0.Z.E2S:grafana-debuginfo-0:10.2.6-20.el10_0.x86_64",
            "AppStream-10.0.Z.E2S:grafana-debugsource-0:10.2.6-20.el10_0.aarch64",
            "AppStream-10.0.Z.E2S:grafana-debugsource-0:10.2.6-20.el10_0.ppc64le",
            "AppStream-10.0.Z.E2S:grafana-debugsource-0:10.2.6-20.el10_0.s390x",
            "AppStream-10.0.Z.E2S:grafana-debugsource-0:10.2.6-20.el10_0.x86_64",
            "AppStream-10.0.Z.E2S:grafana-selinux-0:10.2.6-20.el10_0.aarch64",
            "AppStream-10.0.Z.E2S:grafana-selinux-0:10.2.6-20.el10_0.ppc64le",
            "AppStream-10.0.Z.E2S:grafana-selinux-0:10.2.6-20.el10_0.s390x",
            "AppStream-10.0.Z.E2S:grafana-selinux-0:10.2.6-20.el10_0.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "grafana/grafana/pkg/services/dashboards: Grafana Dashboard Permissions Scope Bypass Enables Cross\u2011Dashboard Privilege Escalation"
    }
  ]
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.