diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c8c9e60a9..56df79dd5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -152,20 +152,18 @@ jobs:
       - name: Run npm audit
         working-directory: frontend
         run: |
-          # Only audit production dependencies and filter out npm-internal packages
-          # (npm audit reports vulnerabilities in its own bundled deps like tar/minimatch).
+          # Only audit production dependencies and filter out npm-internal packages.
+          # npm 10.x audit/ls reports vulns in its own bundled deps (npm, tar, minimatch)
+          # so we parse package-lock.json directly to get the real prod dep list.
           npm audit --omit=dev --json > /tmp/audit.json 2>/dev/null || true
-          npm ls --omit=dev --all --json 2>/dev/null > /tmp/deps.json || true
           python3 -c "
-          import json, sys, subprocess
+          import json, sys
           data = json.load(open('/tmp/audit.json'))
-          deps = json.load(open('/tmp/deps.json'))
+          lock = json.load(open('package-lock.json'))
           prod = set()
-          def walk(obj):
-              for name, info in (obj.get('dependencies') or {}).items():
-                  prod.add(name)
-                  walk(info)
-          walk(deps)
+          for path, info in lock.get('packages', {}).items():
+              if path and not info.get('dev') and not info.get('devOptional'):
+                  prod.add(path.split('node_modules/')[-1])
           vulns = data.get('vulnerabilities', {})
           fixable = {n: v for n, v in vulns.items()
                      if n in prod and v.get('severity') in ('high', 'critical') and v.get('fixAvailable')}
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index 9e0e8cb5c..0c2f859fd 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -278,23 +278,21 @@ jobs:
         working-directory: frontend
         run: |
           npm audit --omit=dev --json > npm-audit-raw.json 2>/dev/null || true
-          # Filter audit results to only include actual project dependencies
-          # (npm audit sometimes reports vulnerabilities in the npm CLI itself)
+          # Filter audit results to only include actual project dependencies.
+          # npm 10.x audit/ls reports vulns in its own bundled deps (npm, tar, minimatch)
+          # so we parse package-lock.json directly to get the real prod dep list.
           node -e "
             const fs = require('fs');
             const raw = fs.readFileSync('npm-audit-raw.json', 'utf8');
             let results;
             try { results = JSON.parse(raw); } catch { results = { vulnerabilities: {} }; }
-            const depTree = JSON.parse(require('child_process').execSync(
-              'npm ls --omit=dev --all --json 2>/dev/null', { encoding: 'utf8' }
-            ));
+            const lock = JSON.parse(fs.readFileSync('package-lock.json', 'utf8'));
             const prodDeps = new Set();
-            (function walk(obj) {
-              for (const [name, info] of Object.entries(obj.dependencies || {})) {
-                prodDeps.add(name);
-                walk(info);
+            for (const [path, info] of Object.entries(lock.packages || {})) {
+              if (path && !info.dev && !info.devOptional) {
+                prodDeps.add(path.split('node_modules/').pop());
               }
-            })(depTree);
+            }
             const vulns = results.vulnerabilities || {};
             const filtered = {};
             for (const [name, info] of Object.entries(vulns)) {