diff --git a/advisories/github-reviewed/2024/11/GHSA-rm66-9gh4-4gp8/GHSA-rm66-9gh4-4gp8.json b/advisories/github-reviewed/2024/11/GHSA-rm66-9gh4-4gp8/GHSA-rm66-9gh4-4gp8.json
new file mode 100644
index 00000000000..426b09ca5a0
--- /dev/null
+++ b/advisories/github-reviewed/2024/11/GHSA-rm66-9gh4-4gp8/GHSA-rm66-9gh4-4gp8.json
@@ -0,0 +1,61 @@
+{
+  "schema_version": "1.4.0",
+  "id": "GHSA-rm66-9gh4-4gp8",
+  "modified": "2024-11-12T20:54:58Z",
+  "published": "2024-11-12T20:54:58Z",
+  "aliases": [
+
+  ],
+  "summary": "cggmp21 vulnerable to ambiguous challenge derivation",
+  "details": "Challenge derivation in non-interactive ZK proofs was ambiguous and that could lead to security vulnerability (however, it's unknown if it could be exploited).\n",
+  "severity": [
+    {
+      "type": "CVSS_V4",
+      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U"
+    }
+  ],
+  "affected": [
+    {
+      "package": {
+        "ecosystem": "crates.io",
+        "name": "cggmp21"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "0"
+            },
+            {
+              "fixed": "0.4.0"
+            }
+          ]
+        }
+      ]
+    }
+  ],
+  "references": [
+    {
+      "type": "WEB",
+      "url": "https://github.com/dfns/cggmp21/pull/103"
+    },
+    {
+      "type": "PACKAGE",
+      "url": "https://github.com/LFDT-Lockness/cggmp21"
+    },
+    {
+      "type": "WEB",
+      "url": "https://rustsec.org/advisories/RUSTSEC-2024-0393.html"
+    }
+  ],
+  "database_specific": {
+    "cwe_ids": [
+      "CWE-327"
+    ],
+    "severity": "LOW",
+    "github_reviewed": true,
+    "github_reviewed_at": "2024-11-12T20:54:58Z",
+    "nvd_published_at": null
+  }
+}
\ No newline at end of file