GHSA-7G92-G4VH-HP84

Vulnerability from github – Published: 2026-03-26 21:31 – Updated: 2026-04-23 21:37
VLAI
Summary
Grafana OSS: Authorization bypass allows users with Editor role to modify protected webhook URLs without permissions
Details

A vulnerability has been discovered in Grafana OSS where an authorization bypass in the provisioning contact points API allows users with Editor role to modify protected webhook URLs without the required alert.notifications.receivers.protected:write permission.

A patched version is available at https://github.com/grafana/grafana/releases/tag/v12.3.6.

Severity
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Show details on source website
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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/grafana/grafana"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.9.2-0.20260323180334-daffe750de85"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-21724"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-285"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-04-23T21:37:48Z",
    "nvd_published_at": "2026-03-26T21:17:03Z",
    "severity": "MODERATE"
  },
  "details": "A vulnerability has been discovered in Grafana OSS where an authorization bypass in the provisioning contact points API allows users with Editor role to modify protected webhook URLs without the required alert.notifications.receivers.protected:write permission.\n\nA patched version is available at https://github.com/grafana/grafana/releases/tag/v12.3.6.",
  "id": "GHSA-7g92-g4vh-hp84",
  "modified": "2026-04-23T21:37:48Z",
  "published": "2026-03-26T21:31:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-21724"
    },
    {
      "type": "WEB",
      "url": "https://github.com/grafana/grafana/commit/daffe750de85b0dbf79f206a35835cf66a83d6ca"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/grafana/grafana"
    },
    {
      "type": "WEB",
      "url": "https://github.com/grafana/grafana/releases/tag/v12.3.6"
    },
    {
      "type": "WEB",
      "url": "https://grafana.com/security/security-advisories/cve-2026-21724"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Grafana OSS: Authorization bypass allows users with Editor role to modify protected webhook URLs without permissions"
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.