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GHSA-jm66-cg57-jjv5
GHSA-jm66-cg57-jjv5

Author: advisory-database[bot]

advisories/github-reviewed/2026/01/GHSA-jm66-cg57-jjv5/GHSA-jm66-cg57-jjv5.json

@@ -0,0 +1,65 @@
+{
+  "schema_version": "1.4.0",
+  "id": "GHSA-jm66-cg57-jjv5",
+  "modified": "2026-01-13T21:57:47Z",
+  "published": "2026-01-13T21:31:44Z",
+  "aliases": [
+    "CVE-2026-21226"
+  ],
+  "summary": "Azure Core is vulnerable to deserialization of untrusted data",
+  "details": "Deserialization of untrusted data in Azure Core shared client library for Python allows an authorized attacker to execute code over a network.",
+  "severity": [
+    {
+      "type": "CVSS_V3",
+      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
+    }
+  ],
+  "affected": [
+    {
+      "package": {
+        "ecosystem": "PyPI",
+        "name": "azure-core"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "0"
+            },
+            {
+              "fixed": "1.38.0"
+            }
+          ]
+        }
+      ]
+    }
+  ],
+  "references": [
+    {
+      "type": "ADVISORY",
+      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-21226"
+    },
+    {
+      "type": "PACKAGE",
+      "url": "https://github.com/Azure/azure-sdk-for-python"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/Azure/azure-sdk-for-python/blob/6d2e6431ea0991861640e449e51e894247a7771a/sdk/core/azure-core/CHANGELOG.md#1380-2026-01-12"
+    },
+    {
+      "type": "WEB",
+      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21226"
+    }
+  ],
+  "database_specific": {
+    "cwe_ids": [
+      "CWE-502"
+    ],
+    "severity": "HIGH",
+    "github_reviewed": true,
+    "github_reviewed_at": "2026-01-13T21:57:47Z",
+    "nvd_published_at": "2026-01-13T19:16:23Z"
+  }
+}