NRDAX-T0369 - WebSocket Task Spawn Exhaustion

Connection exhaustion (also memory amplification) · RPC and public API · no bound · active · first seen 2026-07-08

provenance: Reproduced in NullRabbit's attack-reproduction pipeline

mechanism

NullRabbit source-traced H4 slow-read

live exposure

No exposure data. Slashr ↗ has no risk signal mapped to this technique yet — absence of data is not absence of exposure.

instances (1)

chain	primitive	fidelity	origin	reproducer (bundle)	source
sui	sui_jsonrpsee_h4_ws_task_spawn	lab	NullRabbit Labs	sui_jsonrpsee_h4_ws_task_spawn	-

related (Connection exhaustion)

NRDAX-T0041 - Cross-Chain Peer Pool Pollution active NRDAX-T0064 - Endpoint Concurrency Cap Exhaustion active NRDAX-T0099 - Half-Open Handshake Slowloris active NRDAX-T0214 - Protocol Message Flood Unbounded Goroutine active NRDAX-T0225 - QUIC Control Frame Flood active NRDAX-T0246 - Rate-Limit Key Confusion active NRDAX-T0261 - RPC Request Flood active NRDAX-T0291 - Subscription Permit Exhaustion active

cite

https://nrdax.com/techniques/NRDAX-T0369

plain

NRDAX Registry. Technique NRDAX-T0369.

bibtex

@misc{nrdax_NRDAX_T0369,
  title = {WebSocket Task Spawn Exhaustion (NRDAX-T0369)},
  howpublished = {NRDAX Registry},
  url = {https://nrdax.com/techniques/NRDAX-T0369},
}

json (csl)

{
  "id": "nrdax-NRDAX-T0369",
  "type": "dataset",
  "title": "WebSocket Task Spawn Exhaustion (NRDAX-T0369)",
  "URL": "https://nrdax.com/techniques/NRDAX-T0369",
  "publisher": "NRDAX Registry"
}

badge

[![NRDAX-T0369 in the NRDAX registry](https://nrdax.com/badge/NRDAX-T0369.svg)](https://nrdax.com/techniques/NRDAX-T0369-websocket-task-spawn-exhaustion)

use from the CLI

Retrieve or cite this technique from a script or the terminal with the NRDAX Python library & CLI.

Retrieve this technique

nrdax get NRDAX-T0369

Cite it (BibTeX)

nrdax cite NRDAX-T0369 --format bibtex

CLI guide → GitHub ↗