Apify MCP Server URL Validation Bypass
The Apify MCP server's fetch-apify-docs tool failed to properly validate documentation URLs, allowing attackers to bypass domain allowlisting and return arbitrary content to AI agents. The vulnerability was fixed in version 0.9.21.
Disclosed 16 July 2026 · Record updated 13 September 2026
Impact
Attackers could bypass URL validation to return arbitrary fetched content to LLMs using crafted URLs like https://docs.apify.com.evil.com/
Our coverage
No articles linked to this incident yet.
Sources
- nvd.nist.govhttps://nvd.nist.gov/vuln/detail/CVE-2026-46341
