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Kamil Myśliwiec a1908877ae fix(core,websockets): run transient enhancers bound to static gateways
A default-scoped gateway with no scoped global enhancers builds its
message handlers once, in the static context and without an inquirer
id, and the injector constructed the transient enhancers of a static
provider for entry providers only. A transient guard bound to such a
gateway with @UseGuards() was then looked up as the placeholder whose
constructor never ran. With an arrow-function canActivate it was
skipped, so the handler ran for any client; with a prototype method it
ran without its dependencies.

The bootstrap load of every static provider now constructs its
transient enhancers with the provider as the inquirer, and the static
handlers of a gateway are created with its id as the inquirer, as those
of controllers and entry providers are. Such guards now run.

Discovered by Anthropic's OSS Scanner, as vulnerability ANT-2026-J6VYP0AI.
2026-10-16 15:22:06 +02:00
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