CVE-2026-87821
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.
Açıklama ve Etki
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.
Referanslar
- 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
- https://github.com/laradashboard/laradashboard/commit/738cc1a219ce459323ef1d09c3789075f1b8d2f2
- 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://www.vulncheck.com/advisories/lara-dashboard-0.9.2-through-1.3.1-server-side-request-forgery-in-builder-markdown-fetch
Güvenli Doğrulama Notu
Bu sayfa saldırı gerçekleştiren payload'lar çalıştırmaz. Doğrulama; etkilenen ürün/sürümün envanterden kontrol edilmesi, üretici güvenlik duyurusunun incelenmesi ve güncellemenin uygulanması üzerinden yapılmalıdır.