Apify MCP Server API Token Exposure via URL Redirection
The Apify MCP server prior to version 0.10.11 allows malicious Actor publishers to redirect connections to third-party hosts and steal API tokens through improper URL validation in the getActorMCPServerURL function. Victims must invoke or inspect the attacker-controlled Actor to be affected.
Disclosed 18 August 2026 · Record updated 13 September 2026
Impact
API tokens and access to Actors, stored data, and billable compute resources could be exposed to attackers through malicious Actor definitions.
Our coverage
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Sources
- nvd.nist.govhttps://nvd.nist.gov/vuln/detail/CVE-2026-50143
