CVE-2026-116579

Autobahn Python is a WebSocket and WAMP implementation for Python that supports Twisted and asyncio. From 26.7.1 until 26.10.1, PerMessageBrotli.decompressmessagedata in compressbrotli.py calls the Brotli decompressor without an output limit and checks maxMessagePayloadSize only after a complete...

EUVD-2026-110320

Autobahn Python is a WebSocket and WAMP implementation for Python that supports Twisted and asyncio. From 26.7.1 until 26.10.1, PerMessageBrotli.decompressmessagedata in compressbrotli.py calls the Brotli decompressor without an output limit and checks maxMessagePayloadSize only after a complete...

CVE-2026-116579

The Autobahn Python WebSocket and WAMP implementation for Python (versions 26.7.1 to 26.10.1 ) contains a vulnerability in the PerMessageBrotli.decompress_message_data function within compress_brotli.py . The root cause is that the Brotli decompressor is called without an output limit, and the ma...

CVE-2026-116579 Autobahn Python: permessage-brotli inflates a whole frame before maxMessagePayloadSize is checked (incomplete fix of GHSA-hxp9-w8x3-p566)

Autobahn Python is a WebSocket and WAMP implementation for Python that supports Twisted and asyncio. From 26.7.1 until 26.10.1, PerMessageBrotli.decompressmessagedata in compressbrotli.py calls the Brotli decompressor without an output limit and checks maxMessagePayloadSize only after a complete...

PT-2026-125385

Autobahn Python is a WebSocket and WAMP implementation for Python that supports Twisted and asyncio. From 26.7.1 until 26.10.1, PerMessageBrotli.decompress message data in compress brotli.py calls the Brotli decompressor without an output limit and checks maxMessagePayloadSize only after a comple...