websocket-driver: Message corruption via abuse of protocol length headers
Critical vendor advisory
CVE-2026-54466
Summary
websocket-driver: Message corruption via abuse of protocol length headers
Why it matters
GitHub has published a reviewed security advisory for websocket-driver. Prioritize it with other application dependency updates.
Operator check
Check whether websocket-driver is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 9.2.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.