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GHSA-3w66-95m3-8jxg
GHSA-3w66-95m3-8jxg

Author: advisory-database[bot]

advisories/github-reviewed/2026/06/GHSA-3w66-95m3-8jxg/GHSA-3w66-95m3-8jxg.json

@@ -0,0 +1,185 @@
+{
+  "schema_version": "1.4.0",
+  "id": "GHSA-3w66-95m3-8jxg",
+  "modified": "2026-09-21T23:00:48Z",
+  "published": "2026-06-22T18:34:17Z",
+  "aliases": [
+    "CVE-2026-42127"
+  ],
+  "summary": "Grafana: Pre-authentication denial of service in the public dashboard query handler",
+  "details": "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.",
+  "severity": [
+    {
+      "type": "CVSS_V3",
+      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
+    }
+  ],
+  "affected": [
+    {
+      "package": {
+        "ecosystem": "Go",
+        "name": "github.com/grafana/grafana"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "2.0.0-beta1"
+            }
+          ]
+        }
+      ],
+      "database_specific": {
+        "last_known_affected_version_range": "< 11.6.15"
+      }
+    },
+    {
+      "package": {
+        "ecosystem": "Go",
+        "name": "github.com/grafana/grafana"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "12.0.0"
+            }
+          ]
+        }
+      ],
+      "database_specific": {
+        "last_known_affected_version_range": "< 12.2.9"
+      }
+    },
+    {
+      "package": {
+        "ecosystem": "Go",
+        "name": "github.com/grafana/grafana"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "12.3.0"
+            }
+          ]
+        }
+      ],
+      "database_specific": {
+        "last_known_affected_version_range": "< 12.3.7"
+      }
+    },
+    {
+      "package": {
+        "ecosystem": "Go",
+        "name": "github.com/grafana/grafana"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "12.4.0"
+            }
+          ]
+        }
+      ],
+      "database_specific": {
+        "last_known_affected_version_range": "< 12.4.4"
+      }
+    },
+    {
+      "package": {
+        "ecosystem": "Go",
+        "name": "github.com/grafana/grafana"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "13.0.0"
+            }
+          ]
+        }
+      ],
+      "database_specific": {
+        "last_known_affected_version_range": "< 13.0.2"
+      }
+    },
+    {
+      "package": {
+        "ecosystem": "Go",
+        "name": "github.com/grafana/grafana"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "0"
+            },
+            {
+              "fixed": "1.9.2-0.20260616075434-82ef13993059"
+            }
+          ]
+        }
+      ]
+    }
+  ],
+  "references": [
+    {
+      "type": "ADVISORY",
+      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42127"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/grafana/grafana/pull/125789"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/grafana/grafana/commit/82ef13993059351bf21de35b8488bbd9b42df4f4"
+    },
+    {
+      "type": "PACKAGE",
+      "url": "https://github.com/grafana/grafana"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/grafana/grafana/releases/tag/v11.6.15"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/grafana/grafana/releases/tag/v12.2.9"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/grafana/grafana/releases/tag/v12.3.7"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/grafana/grafana/releases/tag/v12.4.4"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/grafana/grafana/releases/tag/v13.0.2"
+    },
+    {
+      "type": "WEB",
+      "url": "https://grafana.com/security/security-advisories/cve-2026-42127"
+    }
+  ],
+  "database_specific": {
+    "cwe_ids": [
+      "CWE-400",
+      "CWE-770"
+    ],
+    "severity": "HIGH",
+    "github_reviewed": true,
+    "github_reviewed_at": "2026-09-21T23:00:48Z",
+    "nvd_published_at": "2026-06-22T18:16:37Z"
+  }
+}