diff --git a/.github/ecosystem-specific-schema.json b/.github/ecosystem-specific-schema.json
new file mode 100644
index 00000000..8e11f607
--- /dev/null
+++ b/.github/ecosystem-specific-schema.json
@@ -0,0 +1,51 @@
+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "title": "ecosystem_specific schema validation",
+  "description": "Validates the ecosystem_specific field in PYSEC advisory entries",
+  "type": "object",
+  "properties": {
+    "affected": {
+      "type": "array",
+      "items": {
+        "type": "object",
+        "properties": {
+          "ecosystem_specific": {
+            "$ref": "#/$defs/ecosystem_specific"
+          }
+        }
+      }
+    }
+  },
+  "$defs": {
+    "ecosystem_specific": {
+      "type": "object",
+      "required": ["imports"],
+      "additionalProperties": false,
+      "properties": {
+        "imports": {
+          "type": "array",
+          "minItems": 1,
+          "items": {
+            "type": "object",
+            "required": ["attribute", "modules"],
+            "additionalProperties": false,
+            "properties": {
+              "attribute": {
+                "type": "string",
+                "minLength": 1
+              },
+              "modules": {
+                "type": "array",
+                "minItems": 1,
+                "items": {
+                  "type": "string",
+                  "minLength": 1
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+}
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 5368cde0..727aff35 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -5,6 +5,10 @@ repos:
   - id: check-jsonschema
     files: "^vulns/[a-z0-9_-]+/.+\\.yaml"
     args: [--schemafile, "https://raw.githubusercontent.com/ossf/osv-schema/refs/tags/v1.6.7/validation/schema.json", --no-cache]
+  - id: check-jsonschema
+    name: validate ecosystem_specific
+    files: "^vulns/[a-z0-9_-]+/.+\\.yaml"
+    args: [--schemafile, ".github/ecosystem-specific-schema.json"]
 - repo: https://github.com/jackdewinter/pymarkdown
   rev: v0.9.25
   hooks:
diff --git a/vulns/langchain-community/PYSEC-2025-70.yaml b/vulns/langchain-community/PYSEC-2025-70.yaml
index 8bb55519..6c57b062 100644
--- a/vulns/langchain-community/PYSEC-2025-70.yaml
+++ b/vulns/langchain-community/PYSEC-2025-70.yaml
@@ -26,6 +26,11 @@ affected:
     events:
     - introduced: "0"
     - fixed: 0.0.28
+  ecosystem_specific:
+    imports:
+      - attribute: RequestsToolkit
+        modules:
+          - langchain_community.agent_toolkits.openapi.toolkit
   versions:
   - 0.0.1
   - 0.0.10
diff --git a/vulns/llama-index/PYSEC-2025-65.yaml b/vulns/llama-index/PYSEC-2025-65.yaml
index f3cb14f8..580652d5 100644
--- a/vulns/llama-index/PYSEC-2025-65.yaml
+++ b/vulns/llama-index/PYSEC-2025-65.yaml
@@ -25,6 +25,11 @@ affected:
     events:
     - introduced: 0.12.27
     - fixed: 0.12.41
+  ecosystem_specific:
+    imports:
+      - attribute: ImageDocument
+        modules:
+          - llama_index.core.schema
   versions:
   - 0.12.27
   - 0.12.28
diff --git a/vulns/pillow/PYSEC-2025-61.yaml b/vulns/pillow/PYSEC-2025-61.yaml
index ecaf89e9..a16c1b32 100644
--- a/vulns/pillow/PYSEC-2025-61.yaml
+++ b/vulns/pillow/PYSEC-2025-61.yaml
@@ -17,6 +17,11 @@ affected:
   versions:
   - 11.2.0
   - 11.2.1
+  ecosystem_specific:
+    imports:
+      - attribute: save
+        modules:
+          - PIL.Image
 aliases:
 - CVE-2025-48379
 - GHSA-xg8h-j46f-w952