[GHSA-qpv2-rwc8-c993] Authentication Bypass vulnerability exists in Netmaker...

advisories/unreviewed/2026/04/GHSA-qpv2-rwc8-c993/GHSA-qpv2-rwc8-c993.json

@@ -0,0 +1,61 @@
+{
+  "schema_version": "1.4.0",
+  "id": "GHSA-qpv2-rwc8-c993",
+  "modified": "2026-04-28T21:37:12Z",
+  "published": "2026-04-28T18:30:33Z",
+  "aliases": [
+    "CVE-2026-38651"
+  ],
+  "summary": "JWT Verification Bypass in Netmaker Allows Unauthenticated Access to Host Endpoints",
+  "details": "Authentication Bypass vulnerability exists in Netmaker versions prior to 1.5.0. The VerifyHostToken function in logic/jwts.go fails to validate the JWT signature when verifying host tokens. An attacker can forge a JWT signed with any arbitrary key and use it to impersonate any host in the network, gaining access to sensitive information",
+  "severity": [
+    {
+      "type": "CVSS_V4",
+      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N"
+    }
+  ],
+  "affected": [
+    {
+      "package": {
+        "ecosystem": "Go",
+        "name": ""
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "0"
+            },
+            {
+              "fixed": "1.5.0"
+            }
+          ]
+        }
+      ]
+    }
+  ],
+  "references": [
+    {
+      "type": "ADVISORY",
+      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-38651"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/gravitl/netmaker/commit/5309aa70d464ef565911369714d661a61481a79b"
+    },
+    {
+      "type": "WEB",
+      "url": "https://www.zyenra.com/advisories/netmaker-jwt-verification-bypass"
+    }
+  ],
+  "database_specific": {
+    "cwe_ids": [
+      "CWE-347"
+    ],
+    "severity": "CRITICAL",
+    "github_reviewed": false,
+    "github_reviewed_at": null,
+    "nvd_published_at": "2026-04-28T16:16:13Z"
+  }
+}