diff --git a/report_generator/commands/generate.py b/report_generator/commands/generate.py
index a50c9a0..bde6359 100644
--- a/report_generator/commands/generate.py
+++ b/report_generator/commands/generate.py
@@ -126,7 +126,8 @@ def _report(sources: ReportSources, path: Path | None, *, write_metrics: bool =
     Raises:
         PipelineError: The report cannot be built or the destination not written.
     """
-    name, content = render(sources)
+    metrics = build_metrics(sources)
+    name, content = render(sources, metrics)
     destination = _destination(path, name)
 
     try:
@@ -134,7 +135,7 @@ def _report(sources: ReportSources, path: Path | None, *, write_metrics: bool =
         destination.write_bytes(content)
         if write_metrics:
             (destination.parent / "metrics.json").write_text(
-                json.dumps(build_metrics(sources), indent=2), encoding="utf-8"
+                json.dumps(metrics, indent=2), encoding="utf-8"
             )
     except OSError as error:
         message = f"Cannot write the report to '{destination}': {error}"
diff --git a/report_generator/context.py b/report_generator/context.py
index 71c5a71..1d51807 100644
--- a/report_generator/context.py
+++ b/report_generator/context.py
@@ -72,7 +72,7 @@ def build_context(sources: ReportSources, documents: dict[str, Any]) -> dict[str
         "cover": _cover(sources, metadata, sast, sca),
         "scan": _scan(sources, metadata),
         "project": _project(metadata),
-        "summary": _summary(sast, sca),
+        "summary": _summary(sast, sca, documents.get("metrics")),
         "sections": [],
     }
 
@@ -226,14 +226,14 @@ def _project(metadata: dict[str, Any]) -> dict[str, Any]:
     }
 
 
-def _summary(sast: SarifReport | None, sca: VdrReport | None) -> dict[str, Any]:
+def _summary(sast: SarifReport | None, sca: VdrReport | None, metrics: dict[str, Any] | None) -> dict[str, Any]:
     """The counts, and where they concentrate."""
     true_sast = _true_findings(sast)
     sca_total = sca.total if sca else 0
     raw = (sast.total if sast else 0) + sca_total
     filtered = sast.false_positive_count if sast else 0
 
-    return {
+    summary = {
         "title": "Summary",
         "overview": [
             _fact("Raw findings", raw or None),
@@ -248,6 +248,90 @@ def _summary(sast: SarifReport | None, sca: VdrReport | None) -> dict[str, Any]:
         "distributions": _distributions(true_sast, sca),
     }
 
+    dependencies = metrics.get("dependencies") if isinstance(metrics, dict) else None
+    if isinstance(dependencies, dict):
+        summary["metrics"] = _metric_cards(dependencies)
+
+    return summary
+
+
+def _metric_cards(dependencies: dict[str, Any]) -> list[dict[str, Any]]:
+    """Turn the metrics document into compact summary cards."""
+    scores = dependencies.get("scores") or {}
+    impact = dependencies.get("impact") or {}
+    exploitability = dependencies.get("exploitability") or {}
+    temporal = dependencies.get("temporal") or {}
+    published = temporal.get("published") or {}
+    remediation = dependencies.get("remediation") or {}
+    upgrades = remediation.get("newer_version_available") or {}
+    surface = dependencies.get("affected_surface") or {}
+    taxonomy = dependencies.get("taxonomy") or {}
+
+    return [
+        {
+            "title": "Severity & impact",
+            "rows": [
+                _fact("CVSS", _metric(scores.get("cvss"), "mean")),
+                _fact("Severity band", (scores.get("cvss") or {}).get("band"), kind="severity"),
+                _fact("Confidentiality", _metric(impact.get("scores"), "confidentiality")),
+                _fact("Integrity", _metric(impact.get("scores"), "integrity")),
+                _fact("Availability", _metric(impact.get("scores"), "availability")),
+            ],
+        },
+        {
+            "title": "Exploitability",
+            "rows": [_fact(_label(axis), _metric(exploitability.get(axis), "score")) for axis in (
+                "attack_vector", "attack_complexity", "privileges_required", "user_interaction"
+            )],
+        },
+        {
+            "title": "Temporal",
+            "rows": [
+                _fact("Newest published", _published(published.get("newest"))),
+                _fact("Mean vulnerability age", _days(published.get("mean_days"))),
+                _fact("Median vulnerability age", _days(published.get("median_days"))),
+                _fact("Time to exploit", temporal.get("time_to_exploit_days")),
+                _fact("CVE volume trends", temporal.get("cve_volume_trends")),
+            ],
+        },
+        {
+            "title": "Surface & taxonomy",
+            "rows": [
+                _fact("Affected products", surface.get("products")),
+                _fact("Affected versions", surface.get("versions")),
+                _fact("Vendors", ", ".join(surface.get("vendors") or []) or None),
+                _fact("Potential remedies", _remedy(upgrades)),
+                _fact("CWE coverage", taxonomy.get("coverage")),
+                _fact("CWE abstraction level", taxonomy.get("abstraction_level")),
+                _fact("CWE relationships", taxonomy.get("relationships")),
+            ],
+        },
+    ]
+
+
+def _metric(value: Any, key: str) -> Any:  # noqa: ANN401
+    return value.get(key) if isinstance(value, dict) else None
+
+
+def _published(value: Any) -> Any:  # noqa: ANN401
+    return value.get("cve") if isinstance(value, dict) else None
+
+
+def _days(value: Any) -> str | None:  # noqa: ANN401
+    return f"{value} days" if isinstance(value, int | float) else None
+
+
+def _remedy(value: dict[str, Any]) -> str | None:
+    findings = value.get("findings")
+    packages = value.get("packages")
+    if isinstance(findings, int) and isinstance(packages, int):
+        return f"{findings} findings across {packages} packages upgradeable"
+    return None
+
+
+def _label(value: str) -> str:
+    return value.replace("_", " ").title()
+
 
 def _issue_types(sast: SarifReport | None, sca: VdrReport | None) -> list[str]:
     """How many distinct kinds of issue each half of the pipeline found."""
diff --git a/report_generator/metrics.py b/report_generator/metrics.py
index 1fe7f92..a6e1dd3 100644
--- a/report_generator/metrics.py
+++ b/report_generator/metrics.py
@@ -123,7 +123,9 @@ def _dependency_metrics(readings: list[dict[str, Any]]) -> dict[str, Any]:
         "impact": _impact(scored),
         "exploitability": _exploitability(scored, readings),
         "remediation": _remediation(readings),
-        "age": _age(readings),
+        "temporal": _temporal(readings),
+        "taxonomy": _taxonomy(readings),
+        "affected_surface": _affected_surface(readings),
     }
 
 
@@ -255,7 +257,7 @@ def _remediation(readings: list[dict[str, Any]]) -> dict[str, Any]:
     }
 
 
-def _age(readings: list[dict[str, Any]]) -> dict[str, Any]:
+def _temporal(readings: list[dict[str, Any]]) -> dict[str, Any]:
     dated = []
     for one in readings:
         stated = one["finding"].get("published")
@@ -265,13 +267,58 @@ def _age(readings: list[dict[str, Any]]) -> dict[str, Any]:
             except ValueError:
                 continue
     if not dated:
-        return {"newest": None, "oldest": None, "mean_days": None, "median_days": None, "coverage": 0}
-    dated.sort()
-    days = [(datetime.now(UTC) - date.astimezone(UTC)).days for date, _ in dated]
+        age = {"newest": None, "oldest": None, "mean_days": None, "median_days": None, "coverage": 0}
+    else:
+        dated.sort()
+        days = [(datetime.now(UTC) - date.astimezone(UTC)).days for date, _ in dated]
+        age = {
+            "newest": {"cve": dated[-1][1], "published": dated[-1][0].isoformat(), "days": days[-1]},
+            "oldest": {"cve": dated[0][1], "published": dated[0][0].isoformat(), "days": days[0]},
+            "mean_days": round(statistics.fmean(days)),
+            "median_days": round(statistics.median(days)),
+            "coverage": len(dated),
+        }
+
+    return {"published": age, "time_to_exploit_days": None, "cve_volume_trends": None}
+
+
+def _taxonomy(readings: list[dict[str, Any]]) -> dict[str, Any]:
+    cwes: Counter[str] = Counter()
+    for one in readings:
+        vulnerability = one["finding"]
+        values = vulnerability.get("cwes") or []
+        if not values and vulnerability.get("cweId") is not None:
+            values = [vulnerability["cweId"]]
+        for value in values:
+            if isinstance(value, dict):
+                value = value.get("cweId")
+            if value is not None:
+                cwes[str(value) if str(value).startswith("CWE-") else f"CWE-{value}"] += 1
+
     return {
-        "newest": {"cve": dated[-1][1], "published": dated[-1][0].isoformat(), "days": days[-1]},
-        "oldest": {"cve": dated[0][1], "published": dated[0][0].isoformat(), "days": days[0]},
-        "mean_days": round(statistics.fmean(days)),
-        "median_days": round(statistics.median(days)),
-        "coverage": len(dated),
+        "cwe_counts": dict(cwes.most_common()),
+        "coverage": sum(cwes.values()),
+        "abstraction_level": None,
+        "relationships": None,
+    }
+
+
+def _affected_surface(readings: list[dict[str, Any]]) -> dict[str, Any]:
+    components = [one["component"] for one in readings]
+    names = {str(component.get("name")) for component in components if component.get("name")}
+    versions = {str(component.get("version")) for component in components if component.get("version")}
+    vendors = set()
+    for component in components:
+        purl = component.get("purl")
+        if isinstance(purl, str) and purl.startswith("pkg:"):
+            coordinate = purl[4:].split("@", 1)[0]
+            parts = coordinate.split("/")
+            if len(parts) > 2 and parts[1]:
+                vendors.add(parts[1])
+
+    return {
+        "products": len(names),
+        "versions": len(versions),
+        "version_ranges": None,
+        "vendors": sorted(vendors),
     }
\ No newline at end of file
diff --git a/report_generator/rendering.py b/report_generator/rendering.py
index eaa3d93..e087cb5 100644
--- a/report_generator/rendering.py
+++ b/report_generator/rendering.py
@@ -13,8 +13,8 @@ from __future__ import annotations
 import json
 from typing import TYPE_CHECKING, Any
 
-from cc_common.api import PipelineError
-from cc_common.api import context as logging_context
+from .vendor.cc_common.api import PipelineError
+from .vendor.cc_common.api import context as logging_context
 
 from .context import build_context
 from .layout import render_pdf
@@ -40,7 +40,7 @@ REQUIRED = ("metadata",)
 NAME = "report_{scan}.pdf"
 
 
-def render(sources: ReportSources) -> tuple[str, bytes]:
+def render(sources: ReportSources, metrics: dict[str, Any] | None = None) -> tuple[str, bytes]:
     """Render the report of one scan.
 
     Args:
@@ -56,6 +56,7 @@ def render(sources: ReportSources) -> tuple[str, bytes]:
             stage of their pipeline did not finish.
     """
     documents = {name: _parsed(sources, name, candidates) for name, candidates in INPUTS.items()}
+    documents["metrics"] = metrics
     missing = [name for name in REQUIRED if documents.get(name) is None]
 
     if missing:
diff --git a/report_generator/template/report.html.j2 b/report_generator/template/report.html.j2
index a636cf1..41451d7 100644
--- a/report_generator/template/report.html.j2
+++ b/report_generator/template/report.html.j2
@@ -156,6 +156,10 @@
     <h2>{{ block.title }}</h2>
     {{ distribution(block.rows, block.legend) }}
   {% endfor %}
+
+  {% for metric in summary.metrics or [] %}
+    {{ card(metric.title, metric.rows) }}
+  {% endfor %}
 {% endif %}
 
 {% if critical %}