OpenClaw: Voice-call realtime WebSocket accepted oversized frames

Summary

Voice-call realtime WebSocket accepted oversized frames.

Affected Packages / Versions

• Package: openclaw
• Ecosystem: npm
• Affected versions: >= 2026.4.9 < 2026.4.10
• Patched versions: >= 2026.4.10

Impact

The voice-call realtime WebSocket path could accept oversized frames, creating a remote availability risk for deployments exposing that webhook path.

Technical Details

The fix rejects oversized realtime WebSocket frames before processing them.

Fix

The issue was fixed in #63890. The first stable tag containing the fix is v2026.4.10, and [email protected] includes the fix.

Fix Commit(s)

• afadb7dae6738819ad9c7d2597ace0516957d20e
• PR: #63890

Release Process Note

Users should upgrade to openclaw 2026.4.10 or newer. The latest npm release, 2026.4.14, already includes the fix.

Reporters

Thanks to G0odUser from ADLab of VenusTech Thanks to @zsxsoft, with sponsorship from @KeenSecurityLab and @qclawer for reporting this issue.