diff --git a/package.json b/package.json
index 472b5fb..8f1c14c 100644
--- a/package.json
+++ b/package.json
@@ -53,6 +53,7 @@
     "@google-cloud/storage": "^8.0.1",
     "@lucide/svelte": "^1.34.0",
     "chart.js": "^4.5.1",
+    "marked": "^18.0.13",
     "nodemailer": "^9.0.6",
     "pino": "^10.3.1"
   }
diff --git a/src/lib/code-report/analysis-summary.ts b/src/lib/code-report/analysis-summary.ts
index b550eda..a843af3 100644
--- a/src/lib/code-report/analysis-summary.ts
+++ b/src/lib/code-report/analysis-summary.ts
@@ -1,5 +1,7 @@
 // Best-effort summary for Trivy-style JSON reports (top-level `Results[]`, each entry may
 // carry `Vulnerabilities`/`Secrets`/`Packages`). Other tool formats simply yield all-zero counts.
+import { vulnerabilityUrl } from './vulnerability-format';
+
 export type AnalysisSummary = {
   vulnerabilities: {
     critical: number;
@@ -156,9 +158,11 @@ export function extractVulnerabilities(result: unknown): VulnerabilityFinding[]
           ? Number((epss as Record<string, unknown>).Percentile)
           : null;
 
+      const vulnerabilityId = String(vuln.VulnerabilityID || `${vuln.PkgName || 'unknown'}-${row.Target || ''}`);
+
       return [
         {
-          id: String(vuln.VulnerabilityID || `${vuln.PkgName || 'unknown'}-${row.Target || ''}`),
+          id: vulnerabilityId,
           packageName: String(vuln.PkgName || 'Paquete desconocido'),
           installedVersion: String(vuln.InstalledVersion || 'desconocida'),
           fixedVersion: String(vuln.FixedVersion || ''),
@@ -179,7 +183,7 @@ export function extractVulnerabilities(result: unknown): VulnerabilityFinding[]
           title: String(vuln.Title || 'Vulnerabilidad sin título'),
           description: String(vuln.Description || ''),
           primaryUrl: String(vuln.PrimaryURL || ''),
-          cveUrl: `https://nvd.nist.gov/vuln/detail/${String(vuln.VulnerabilityID || '')}`,
+          cveUrl: vulnerabilityUrl(vulnerabilityId, String(vuln.PrimaryURL || '')),
           cvssScore: score,
           cweIds: Array.isArray(vuln.CweIDs) ? vuln.CweIDs.map(String) : [],
           references: Array.isArray(vuln.References) ? vuln.References.map(String) : [],
diff --git a/src/lib/code-report/vulnerability-format.test.ts b/src/lib/code-report/vulnerability-format.test.ts
new file mode 100644
index 0000000..b0a0223
--- /dev/null
+++ b/src/lib/code-report/vulnerability-format.test.ts
@@ -0,0 +1,28 @@
+import { describe, expect, it } from 'vitest';
+import {
+  renderVulnerabilityDescription,
+  vulnerabilityUrl,
+} from './vulnerability-format';
+
+describe('vulnerability format', () => {
+  it('uses GitHub Advisories for GHSA identifiers and NVD for CVEs', () => {
+    expect(vulnerabilityUrl('GHSA-2x7j-588g-ccc2')).toBe(
+      'https://github.com/advisories/GHSA-2X7J-588G-CCC2',
+    );
+    expect(vulnerabilityUrl('CVE-2026-1234')).toBe(
+      'https://nvd.nist.gov/vuln/detail/CVE-2026-1234',
+    );
+  });
+
+  it('renders Markdown while escaping raw HTML and unsafe links', () => {
+    const rendered = renderVulnerabilityDescription(
+      '### Summary\n\n**Important** [safe](https://example.com) [unsafe](javascript:alert(1))\n\n<script>alert(1)</script>',
+    );
+
+    expect(rendered).toContain('<h3>Summary</h3>');
+    expect(rendered).toContain('<strong>Important</strong>');
+    expect(rendered).toContain('href="https://example.com"');
+    expect(rendered).not.toContain('<script>');
+    expect(rendered).not.toContain('javascript:');
+  });
+});
\ No newline at end of file
diff --git a/src/lib/code-report/vulnerability-format.ts b/src/lib/code-report/vulnerability-format.ts
new file mode 100644
index 0000000..1a4748c
--- /dev/null
+++ b/src/lib/code-report/vulnerability-format.ts
@@ -0,0 +1,41 @@
+import { marked, Renderer } from 'marked';
+
+function escapeHtml(value: string) {
+  return value
+    .replaceAll('&', '&amp;')
+    .replaceAll('<', '&lt;')
+    .replaceAll('>', '&gt;')
+    .replaceAll('"', '&quot;')
+    .replaceAll("'", '&#39;');
+}
+
+function isSafeUrl(value: string) {
+  return /^(https?:|mailto:|#|\/)/i.test(value);
+}
+
+export function vulnerabilityUrl(id: string, primaryUrl = '') {
+  const normalizedId = id.trim().toUpperCase();
+  if (normalizedId.startsWith('GHSA-')) {
+    return `https://github.com/advisories/${normalizedId}`;
+  }
+  if (normalizedId.startsWith('CVE-')) {
+    return `https://nvd.nist.gov/vuln/detail/${normalizedId}`;
+  }
+  return primaryUrl;
+}
+
+export function vulnerabilitySourceLabel(id: string) {
+  return id.trim().toUpperCase().startsWith('GHSA-') ? 'GitHub Advisory' : 'NVD';
+}
+
+export function renderVulnerabilityDescription(value: string) {
+  const renderer = new Renderer();
+  renderer.html = ({ raw }) => escapeHtml(raw);
+  renderer.link = ({ href, title, text }) => {
+    if (!isSafeUrl(href)) return text;
+    const titleAttribute = title ? ` title="${escapeHtml(title)}"` : '';
+    return `<a href="${escapeHtml(href)}"${titleAttribute} target="_blank" rel="noreferrer noopener">${text}</a>`;
+  };
+
+  return marked.parse(value, { renderer, async: false });
+}
\ No newline at end of file
diff --git a/src/lib/components/code-report/CveDetailView.svelte b/src/lib/components/code-report/CveDetailView.svelte
index 736ffec..608e068 100644
--- a/src/lib/components/code-report/CveDetailView.svelte
+++ b/src/lib/components/code-report/CveDetailView.svelte
@@ -12,6 +12,10 @@
     TrendingUp,
     Wrench,
   } from '@lucide/svelte';
+  import {
+    renderVulnerabilityDescription,
+    vulnerabilitySourceLabel,
+  } from '$lib/code-report/vulnerability-format';
 
   type CveDetail = {
     id: string;
@@ -118,6 +122,7 @@
   $: epssScorePercent = cve.epssScore !== null ? Math.min(100, cve.epssScore * 100) : 0;
   $: epssPercentilePercent =
     cve.epssPercentile !== null ? Math.min(100, cve.epssPercentile * 100) : 0;
+  $: renderedDescription = cve.description ? renderVulnerabilityDescription(cve.description) : '';
 
   $: filteredAffectedServices = affectedServices.filter((service) => {
     const query = affectedServicesQuery.trim().toLowerCase();
@@ -218,7 +223,11 @@
 
     <section class="rounded-[28px] border border-slate-200 bg-white p-6 shadow-sm sm:p-8">
       <h2 class="text-sm font-semibold uppercase tracking-wide text-slate-500">Overview</h2>
-      <p class="mt-2 text-sm text-slate-600">{cve.description || 'Sin descripcion disponible.'}</p>
+      {#if renderedDescription}
+        <div class="cve-description mt-2 text-sm text-slate-600">{@html renderedDescription}</div>
+      {:else}
+        <p class="mt-2 text-sm text-slate-600">Sin descripcion disponible.</p>
+      {/if}
       {#if cve.lastModifiedDate}
         <p class="mt-3 text-xs text-slate-400">
           Ultima actualizacion: {new Date(cve.lastModifiedDate).toLocaleDateString()}
@@ -347,7 +356,7 @@
               rel="noreferrer noopener"
               class="inline-flex items-center gap-1.5 text-sm font-semibold text-blue-700 hover:text-blue-900"
             >
-              <ExternalLink class="h-3.5 w-3.5" />NVD: {cve.id}
+              <ExternalLink class="h-3.5 w-3.5" />{vulnerabilitySourceLabel(cve.id)}: {cve.id}
             </a>
           </li>
           {#if cve.primaryUrl}
@@ -505,3 +514,66 @@
     </div>
   {/if}
 </div>
+
+<style>
+  .cve-description :global(h1),
+  .cve-description :global(h2),
+  .cve-description :global(h3),
+  .cve-description :global(h4) {
+    margin-top: 1.25rem;
+    margin-bottom: 0.5rem;
+    color: rgb(15 23 42);
+    font-weight: 700;
+  }
+
+  .cve-description :global(h3:first-child) {
+    margin-top: 0;
+  }
+
+  .cve-description :global(p),
+  .cve-description :global(ul),
+  .cve-description :global(ol),
+  .cve-description :global(pre) {
+    margin-top: 0.75rem;
+  }
+
+  .cve-description :global(ul),
+  .cve-description :global(ol) {
+    padding-left: 1.5rem;
+  }
+
+  .cve-description :global(ul) {
+    list-style: disc;
+  }
+
+  .cve-description :global(ol) {
+    list-style: decimal;
+  }
+
+  .cve-description :global(a) {
+    color: rgb(29 78 216);
+    text-decoration: underline;
+  }
+
+  .cve-description :global(code) {
+    border-radius: 0.25rem;
+    background: rgb(51 65 85);
+    padding: 0.125rem 0.25rem;
+    color: rgb(241 245 249);
+    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
+    font-size: 0.875em;
+  }
+
+  .cve-description :global(pre) {
+    overflow-x: auto;
+    border-radius: 0.5rem;
+    background: rgb(15 23 42);
+    padding: 0.75rem;
+    color: rgb(241 245 249);
+  }
+
+  .cve-description :global(pre code) {
+    background: transparent;
+    padding: 0;
+  }
+</style>