GHSA-JWP7-WG77-3W9V Apify Model Context Protocol (MCP) server: Domain Allowlist Bypass in fetch-apify-docs via String Prefix Matching

Summary The fetch-apify-docs tool validates URLs against a domain allowlist using String.startsWith instead of proper URL hostname comparison. This allows bypass via attacker-controlled subdomains e.g., https://docs.apify.com.evil.com/, enabling the tool to fetch and return arbitrary web content ...

CVE-2020-21526

An Arbitrary file writing vulnerability in halo v1.1.3. In an interface to write files in the background, a directory traversal check is performed on the input path parameter, but the startsWith function can be used to bypass it...