{"items":[{"id":"NVI-00017584","kind":"vulnerability","title":"MCP Toolbox for Databases vulnerable to DNS rebinding attacks","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-7pf3-8xx7-rvhf","CVE-2026-9739"],"plain_summary":"GitHub lists this reviewed advisory for github.com/googleapis/mcp-toolbox. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-272a40e0769957735844f62ee2cacf5f"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-272a40e0769957735844f62ee2cacf5f","url":"https://github.com/advisories/GHSA-7pf3-8xx7-rvhf","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-7pf3-8xx7-rvhf","publisher":"GitHub Advisory Database","observed_at":"2026-11-05T03:49:14.191Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-272a40e0769957735844f62ee2cacf5f"],"technology":"github.com/googleapis/mcp-toolbox","known_exclusions":[],"conditions_summary":"Vulnerable to DNS rebinding attacks when using SSE (http://b/499408790). During the beta phase, we implemented `allowed-origins` and `allowed-hosts` flags to align with MCP security guidelines. However, the hardcoded `Access-Control-Allow-Origin: *` header in the SSE initialization handler was inadvertently retained. This vulnerability specifically impacts users connecting via Toolbox using SSE under specification v2024-11-05.","public_affected_ranges":["< 1.2.0"]}],"null_published_at":"2026-11-05T19:10:21.422Z","source_updated_at":"2026-07-01T20:54:23.000Z","source_disclosed_at":"2026-05-28T00:30:29.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-05T03:49:14.191Z"}],"next_cursor":null,"snapshot_revision":"42594"}