CVE-2026-87821

Dashboard / Vulnerabilities / CVE-2026-87821

CVE-2026-87821

Summary: Lara Dashboard 0.9.2 through 1.3.1 Server-Side Request Forgery in Builder Markdown Fetch

Details: 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.

References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/87xxx/CVE-2026-87821.json, https://github.com/laradashboard/laradashboard/releases/tag/v1.3.2, https://github.com/laradashboard/laradashboard/security/advisories/GHSA-4xqv-4c27-6c4j, https://github.com/laradashboard/laradashboard/security/advisories/GHSA-f36j-h77g-6wj8, https://nvd.nist.gov/vuln/detail/CVE-2026-87821, https://www.vulncheck.com/advisories/lara-dashboard-0.9.2-through-1.3.1-server-side-request-forgery-in-builder-markdown-fetch, https://github.com/laradashboard/laradashboard/commit/738cc1a219ce459323ef1d09c3789075f1b8d2f2, https://github.com/laradashboard/laradashboard, 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/v1.3.1/app/Services/Builder/MarkdownFetchService.php, https://github.com/laradashboard/laradashboard/blob/v1.3.2/app/Support/Security/SafeUrlValidator.php