Threats Tagged 'cve-2026-48039'
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Threats Tagged 'cve-2026-48039'
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CVE-2026-48039: CWE-287: Improper Authentication in pipeboard-co meta-ads-mcpCVE-2026-48039 0 Meta Ads MCP is a Model Context Protocol (MCP) server that lets AI assistants run Meta Ads. Prior to version 1.0.109, `AuthInjectionMiddleware.dispatch()` at `http_auth_integration.py:272` unconditionally forwards unauthenticated Streamable HTTP requests to downstream MCP tool handlers without issuing a `401` response, allowing any network-reachable caller to invoke MCP tools without authentication. When no per-request credential is present, tool handlers fall back to the `META_ACCESS_TOKEN` environment variable, and when the downstream Meta Graph API call fails, `api.py:263–269` serialises the raw `httpx` request URL—including the operator's `access_token` as a query parameter—into the JSON-RPC response body, delivering the credential to the unauthenticated caller. Version 1.0.109 fixes the issue. Join the discussion | CVE Database V5 | 08/07/2026, 19:29:39 UTC Added: 08/07/2026, 19:42:03 UTC |
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