{"items":[{"id":"NVI-00013267","kind":"vulnerability","title":"Nest: Unbounded memory growth in the NestJS TCP microservice transport","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-96h4-vgxj-gvm2"],"plain_summary":"GitHub lists this reviewed advisory for @nestjs/microservices, @nestjs/microservices. 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-ac8c6c9ce89bbfcec64e21f6a96cc160"],"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":[{"kind":"CVSS","as_of":"2026-09-30T14:44:24.000Z","value":"6.5 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-ac8c6c9ce89bbfcec64e21f6a96cc160"}],"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-ac8c6c9ce89bbfcec64e21f6a96cc160","url":"https://github.com/advisories/GHSA-96h4-vgxj-gvm2","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-96h4-vgxj-gvm2","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T07:24:25.558Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-ac8c6c9ce89bbfcec64e21f6a96cc160"],"technology":"@nestjs/microservices","known_exclusions":[],"conditions_summary":"## Summary\n\nA peer that can open a TCP connection to a NestJS microservice using the built-in TCP\ntransport can make the server process allocate memory without limit, on either side of the\nconnection, until the process is killed by the OS or by its container memory limit. No\nauthentication, no credentials, and no valid message are required.\n\nApplications are affected only if they start a microservice with `Transport.TCP` and the\ntransport's port is reachable by an untrusted peer.\n\n\n## Affected versions\n\n| Package | Affected | Patched |\n|---|---|---|\n| `@nestjs/microservices` | `>= 12.0.0, #`. A peer may declare a length,\nsend part of the payload, and then stop. `JsonSocket` keeps the ","public_affected_ranges":["< 11.2.5"]},{"certainty":"source_listed","source_ids":["sr-ac8c6c9ce89bbfcec64e21f6a96cc160"],"technology":"@nestjs/microservices","known_exclusions":[],"conditions_summary":"## Summary\n\nA peer that can open a TCP connection to a NestJS microservice using the built-in TCP\ntransport can make the server process allocate memory without limit, on either side of the\nconnection, until the process is killed by the OS or by its container memory limit. No\nauthentication, no credentials, and no valid message are required.\n\nApplications are affected only if they start a microservice with `Transport.TCP` and the\ntransport's port is reachable by an untrusted peer.\n\n\n## Affected versions\n\n| Package | Affected | Patched |\n|---|---|---|\n| `@nestjs/microservices` | `>= 12.0.0, #`. A peer may declare a length,\nsend part of the payload, and then stop. `JsonSocket` keeps the ","public_affected_ranges":[">= 12.0.0, < 12.0.3"]}],"null_published_at":"2026-11-01T07:29:12.933Z","source_updated_at":"2026-09-30T14:44:24.000Z","source_disclosed_at":"2026-09-30T14:44:21.000Z","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":"2026-11-01T07:24:25.558Z"}],"next_cursor":null,"snapshot_revision":"42594"}