diff --git a/scanpipe/pipes/vulnerablecode.py b/scanpipe/pipes/vulnerablecode.py
index 6c6073b5d0..46ca8a769c 100644
--- a/scanpipe/pipes/vulnerablecode.py
+++ b/scanpipe/pipes/vulnerablecode.py
@@ -211,6 +211,46 @@ def filter_vulnerabilities(vulnerabilities, ignore_set):
         and not any(alias in ignore_set for alias in vulnerability.get("aliases", []))
     ]
 
+def normalize_advisories(advisories):
+    """
+    Convert advisory-based API responses into vulnerability-like structure
+    for backward compatibility.
+    """
+    normalized = []
+
+    for advisory in advisories or []:
+        entry = {
+            "vulnerability_id": advisory.get("advisory_id")
+            or advisory.get("id"),
+            "aliases": advisory.get("aliases", []),
+            "summary": advisory.get("summary")
+            or advisory.get("description"),
+            "references": advisory.get("references", []),
+        }
+        normalized.append(entry)
+
+    return normalized
+
+
+def extract_security_entries(package_data):
+    """
+    Return a normalized list of security entries from package_data.
+    Supports both vulnerability-based and advisory-based API responses.
+    """
+    if not package_data:
+        return []
+
+    if "affected_by_vulnerabilities" in package_data:
+        return package_data.get("affected_by_vulnerabilities", [])
+
+    if "affected_by_advisories" in package_data:
+        logger.debug(
+            "VulnerableCode advisory-based response detected; normalizing entries."
+        )
+        advisories = package_data.get("affected_by_advisories", [])
+        return normalize_advisories(advisories)
+
+    return []
 
 def fetch_vulnerabilities(
     packages, chunk_size=1000, logger=logger.info, ignore_set=None
@@ -229,7 +269,7 @@ def fetch_vulnerabilities(
     unsaved_objects = []
     for package in packages:
         if package_data := vulnerabilities_by_purl.get(package.package_url):
-            affected_by = package_data.get("affected_by_vulnerabilities", [])
+            affected_by = extract_security_entries(package_data)
 
             if ignore_set and affected_by:
                 affected_by = filter_vulnerabilities(affected_by, ignore_set)
diff --git a/scanpipe/tests/pipes/test_vulnerablecode.py b/scanpipe/tests/pipes/test_vulnerablecode.py
index e39dbf69ed..564d59a371 100644
--- a/scanpipe/tests/pipes/test_vulnerablecode.py
+++ b/scanpipe/tests/pipes/test_vulnerablecode.py
@@ -64,6 +64,56 @@ def test_scanpipe_pipes_vulnerablecode_fetch_vulnerabilities(
         django_5_0.refresh_from_db()
         self.assertEqual(1, len(django_5_0.affected_by_vulnerabilities))
 
+    @mock.patch("scanpipe.pipes.vulnerablecode.bulk_search_by_purl")
+    def test_fetch_vulnerabilities_with_advisory_response(
+        self, mock_search_by_purl
+    ):
+        django_5_0 = make_package(self.project1, "pkg:pypi/django@5.0")
+
+        advisory_response = {
+            "purl": "pkg:pypi/django@5.0",
+            "affected_by_advisories": [
+                {
+                    "advisory_id": "ADV-123",
+                    "aliases": ["CVE-2024-0001"],
+                    "summary": "Test advisory summary",
+                }
+            ],
+        }
+
+        mock_search_by_purl.return_value = [advisory_response]
+
+        fetch_vulnerabilities(packages=[django_5_0])
+        django_5_0.refresh_from_db()
+
+        self.assertEqual(1, len(django_5_0.affected_by_vulnerabilities))
+        self.assertEqual(
+            "ADV-123",
+            django_5_0.affected_by_vulnerabilities[0]["vulnerability_id"],        
+        ) 
+        self.assertEqual(
+            ["CVE-2024-0001"],
+            django_5_0.affected_by_vulnerabilities[0]["aliases"],
+        )
+
+    @mock.patch("scanpipe.pipes.vulnerablecode.bulk_search_by_purl")
+    def test_fetch_vulnerabilities_with_unexpected_response(
+        self, mock_search_by_purl
+    ):
+        django_5_0 = make_package(self.project1, "pkg:pypi/django@5.0")
+
+        unexpected_response = {
+            "purl": "pkg:pypi/django@5.0",
+            # No vulnerabilities or advisories field
+        }
+
+        mock_search_by_purl.return_value = [unexpected_response]
+
+        fetch_vulnerabilities(packages=[django_5_0])
+        django_5_0.refresh_from_db()
+
+        self.assertEqual([], django_5_0.affected_by_vulnerabilities)
+
     def test_scanpipe_pipes_vulnerablecode_filter_vulnerabilities(self):
         data = self.data / "vulnerablecode/django-5.0_package_data.json"
         package_data = json.loads(data.read_text())