CVE-2026-44837

ViewComponent CVE-2026-44837 affects Rails ViewComponent from 3.0.0 to 4.9.0. Root cause: system test entrypoint uses File.realpath and starts_with to check the path, which is not a safe containment check and allows potential sibling-directory escapes. Impact: could permit access to files outside...

view_component: System Test Entry Point Path Check Allows Sibling Directory Escape

Summary The system test entrypoint canonicalizes a user-controlled file path with File.realpath, then checks whether the resolved path starts with the temp directory path. This is not a safe containment check because sibling directories can share the same string prefix. Severity: Medium; test-rou...

Exploit for CVE-2025-4138

CVE-2025-4138 Python Tarfile module Directory Traversal Vulne...