CVE-2026-87821

Summary

Lara Dashboard through 1.3.1 contains a server-side request forgery vulnerability in the POST /api/admin/builder/markdown/fetch endpoint that allows any authenticated user to fetch arbitrary URLs and read the response body. Attackers can read internal HTTP services and cloud metadata including IAM credentials by supplying malicious URLs without host validation or redirect restrictions.

Affected Software

Weaknesses

• CWE-918: Server-Side Request Forgery (SSRF)

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

Additional References

• https://github.com/laradashboard/laradashboard/security/advisories/GHSA-4xqv-4c27-6c4j

References

• https://github.com/laradashboard/laradashboard/security/advisories/GHSA-4xqv-4c27-6c4j
• https://github.com/laradashboard/laradashboard/security/advisories/GHSA-f36j-h77g-6wj8
• https://github.com/laradashboard/laradashboard/commit/738cc1a219ce459323ef1d09c3789075f1b8d2f2
• https://github.com/laradashboard/laradashboard/blob/v1.3.1/app/Services/Builder/MarkdownFetchService.php
• https://github.com/laradashboard/laradashboard/blob/v0.9.2/app/Services/Builder/MarkdownFetchService.php
• https://github.com/laradashboard/laradashboard/blob/v1.3.1/app/Http/Controllers/Api/Builder/MarkdownController.php
• https://github.com/laradashboard/laradashboard/blob/v1.3.2/app/Support/Security/SafeUrlValidator.php
• https://github.com/laradashboard/laradashboard/releases/tag/v1.3.2
• https://github.com/laradashboard/laradashboard
• https://www.vulncheck.com/advisories/lara-dashboard-0.9.2-through-1.3.1-server-side-request-forgery-in-builder-markdown-fetch

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