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

Published Oct 26, 2026

Updated

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade pip/autobahn to a version that resolves this vulnerability.
Fixed in 26.10.1
Upgrade
Upgrade Autobahn Python to a version that resolves this vulnerability.
Fixed in 26.10.1

Event History

Oct 26, 2026

CVE Published

via MITRE·08:29 PM

Data Sourced

via MITRE·08:29 PM

DescriptionSeverityWeakness

Data Sourced

via NVD·09:18 PM

DescriptionSeverityWeakness

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