data/reports: add GO-2026-6664

  - data/reports/GO-2026-6664.yaml

Fixes golang/vulndb#6664

Change-Id: I61ec72ba866e58db190ebf271c43368808ba751d
Reviewed-on: https://go-review.googlesource.com/c/vulndb/+/845865
Auto-Submit: Ian Alexander <jitsu@google.com>
LUCI-TryBot-Result: golang-scoped@luci-project-accounts.iam.gserviceaccount.com <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Nicholas Husin <nsh@golang.org>
Reviewed-by: Nicholas Husin <husin@google.com>

data/osv/GO-2026-6664.json

diff --git a/data/osv/GO-2026-6664.json b/data/osv/GO-2026-6664.json
new file mode 100644
index 0000000..eacb9ec
--- /dev/null
+++ b/data/osv/GO-2026-6664.json
@@ -0,0 +1,87 @@
+{
+  "schema_version": "1.3.1",
+  "id": "GO-2026-6664",
+  "modified": "0001-01-01T00:00:00Z",
+  "published": "0001-01-01T00:00:00Z",
+  "aliases": [
+    "CVE-2026-21727",
+    "GHSA-p5x9-j974-rpfp"
+  ],
+  "summary": "Grafana legacy correlations allow cross-tenant disclosure and deletion in github.com/grafana/grafana",
+  "details": "Grafana legacy correlations allow cross-tenant disclosure and deletion in github.com/grafana/grafana.\n\nNOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.\n\n(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)\n\nThe additional affected modules and versions are: github.com/grafana/grafana before v1.9.2-0.20260127141016-e702db6096e0.",
+  "affected": [
+    {
+      "package": {
+        "name": "github.com/grafana/grafana",
+        "ecosystem": "Go"
+      },
+      "ranges": [
+        {
+          "type": "SEMVER",
+          "events": [
+            {
+              "introduced": "0"
+            }
+          ]
+        }
+      ],
+      "ecosystem_specific": {
+        "custom_ranges": [
+          {
+            "type": "ECOSYSTEM",
+            "events": [
+              {
+                "introduced": "0"
+              },
+              {
+                "fixed": "1.9.2-0.20260127141016-e702db6096e0"
+              }
+            ]
+          }
+        ]
+      }
+    }
+  ],
+  "references": [
+    {
+      "type": "ADVISORY",
+      "url": "https://github.com/advisories/GHSA-p5x9-j974-rpfp"
+    },
+    {
+      "type": "ADVISORY",
+      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-21727"
+    },
+    {
+      "type": "FIX",
+      "url": "https://github.com/grafana/grafana/commit/2b2847625b8a77ba47128ccb5ecbcd72542cb9bc"
+    },
+    {
+      "type": "FIX",
+      "url": "https://github.com/grafana/grafana/commit/2cf0dd6fde3f5a2b92864e2376ae5378c7df45e2"
+    },
+    {
+      "type": "FIX",
+      "url": "https://github.com/grafana/grafana/commit/4010ee30bb441bc399a1f37bdc8ab55ec909f3b7"
+    },
+    {
+      "type": "FIX",
+      "url": "https://github.com/grafana/grafana/commit/8e7ea333991d913298bd68d4787da9c6977a0a8c"
+    },
+    {
+      "type": "FIX",
+      "url": "https://github.com/grafana/grafana/commit/a9a98fc4327182d1bdb9a74b5c2938d5c127e764"
+    },
+    {
+      "type": "FIX",
+      "url": "https://github.com/grafana/grafana/commit/e702db6096e0509ff2825f732697f077e9e6289f"
+    },
+    {
+      "type": "WEB",
+      "url": "https://grafana.com/security/security-advisories/cve-2026-21727"
+    }
+  ],
+  "database_specific": {
+    "url": "https://pkg.go.dev/vuln/GO-2026-6664",
+    "review_status": "UNREVIEWED"
+  }
+}
\ No newline at end of file

data/reports/GO-2026-6664.yaml

diff --git a/data/reports/GO-2026-6664.yaml b/data/reports/GO-2026-6664.yaml
new file mode 100644
index 0000000..528f88a
--- /dev/null
+++ b/data/reports/GO-2026-6664.yaml
@@ -0,0 +1,25 @@
+id: GO-2026-6664
+modules:
+    - module: github.com/grafana/grafana
+      non_go_versions:
+        - fixed: 1.9.2-0.20260127141016-e702db6096e0
+      vulnerable_at: 5.4.5+incompatible
+summary: Grafana legacy correlations allow cross-tenant disclosure and deletion in github.com/grafana/grafana
+cves:
+    - CVE-2026-21727
+ghsas:
+    - GHSA-p5x9-j974-rpfp
+references:
+    - advisory: https://github.com/advisories/GHSA-p5x9-j974-rpfp
+    - advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-21727
+    - fix: https://github.com/grafana/grafana/commit/2b2847625b8a77ba47128ccb5ecbcd72542cb9bc
+    - fix: https://github.com/grafana/grafana/commit/2cf0dd6fde3f5a2b92864e2376ae5378c7df45e2
+    - fix: https://github.com/grafana/grafana/commit/4010ee30bb441bc399a1f37bdc8ab55ec909f3b7
+    - fix: https://github.com/grafana/grafana/commit/8e7ea333991d913298bd68d4787da9c6977a0a8c
+    - fix: https://github.com/grafana/grafana/commit/a9a98fc4327182d1bdb9a74b5c2938d5c127e764
+    - fix: https://github.com/grafana/grafana/commit/e702db6096e0509ff2825f732697f077e9e6289f
+    - web: https://grafana.com/security/security-advisories/cve-2026-21727
+source:
+    id: GHSA-p5x9-j974-rpfp
+    created: 2026-10-06T10:12:24.958485-04:00
+review_status: UNREVIEWED