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high advisory

meta-ads-mcp Authentication Bypass via X-Pipeboard-Token Header

An authentication bypass vulnerability in `meta-ads-mcp` version 1.0.113 allows unauthenticated network callers to gain unauthorized access by sending an arbitrary value in the `X-Pipeboard-Token` HTTP header, leading to the reuse of the server operator's `META_ACCESS_TOKEN` for full read and write access to Meta Ads data.

meta-ads-mcp authentication-bypass web-vulnerability meta python cwe-287
3t