CVE-2026-66415: Leantime

High severity, CVSS 8.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Leantime 3.6.2 contains a server-side request forgery and local file inclusion vulnerability that allows authenticated attackers to read internal resources by passing unsanitized user-supplied filenames to file_get_contents() in the Blueprints::import() method without path validation. Attackers can submit crafted filenames containing URL wrappers or path traversal sequences through the JSON-RPC API endpoint to access cloud metadata services or read arbitrary files from the server filesystem.

Affected products

• Leantime Leantime: up to and including 3.6.2

Published 2026-07-30. Last modified 2026-07-31.