Kimai has Server-Side Request Forgery in Invoice PDF Rendering via Markdown Image URLs

Summary Kimai 2.56.0 contains a server-side request forgery vulnerability in its invoice PDF preview and generation workflow. If an attacker can control Markdown content that is later rendered into an invoice PDF, such as Customer.invoiceText, the server-side PDF renderer will fetch remote image...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the invoice PDF rendering process when Markdown image URLs are processed. An attacker can cause the server to make arbitrary outbound requests by supplying specially crafted Markdown content containin...