Publish Advisories

GHSA-cfw5-2vxh-hr84
GHSA-hffp-q43q-qq76
GHSA-rqq8-jh93-f4vg

Author: advisory-database[bot]

advisories/github-reviewed/2026/03/GHSA-cfw5-2vxh-hr84/GHSA-cfw5-2vxh-hr84.json

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+{
+  "schema_version": "1.4.0",
+  "id": "GHSA-cfw5-2vxh-hr84",
+  "modified": "2026-03-12T14:13:03Z",
+  "published": "2026-03-12T14:13:03Z",
+  "aliases": [
+    "CVE-2026-30226"
+  ],
+  "summary": "devalue has prototype pollution in devalue.parse and devalue.unflatten",
+  "details": "In devalue v5.6.3, `devalue.parse` and `devalue.unflatten` were susceptible to prototype pollution via maliciously crafted payloads. Successful exploitation could lead to Denial of Service (DoS) or type confusion.",
+  "severity": [
+    {
+      "type": "CVSS_V4",
+      "score": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"
+    }
+  ],
+  "affected": [
+    {
+      "package": {
+        "ecosystem": "npm",
+        "name": "devalue"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "0"
+            },
+            {
+              "fixed": "5.6.4"
+            }
+          ]
+        }
+      ]
+    }
+  ],
+  "references": [
+    {
+      "type": "WEB",
+      "url": "https://github.com/sveltejs/devalue/security/advisories/GHSA-cfw5-2vxh-hr84"
+    },
+    {
+      "type": "ADVISORY",
+      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-30226"
+    },
+    {
+      "type": "PACKAGE",
+      "url": "https://github.com/sveltejs/devalue"
+    }
+  ],
+  "database_specific": {
+    "cwe_ids": [
+      "CWE-1321"
+    ],
+    "severity": "MODERATE",
+    "github_reviewed": true,
+    "github_reviewed_at": "2026-03-12T14:13:03Z",
+    "nvd_published_at": "2026-03-11T18:16:22Z"
+  }
+}