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 `openclaw@2026.4.14` 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.
beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-42437US | — | — | ||
OpenClaw versions 2026.4.9 before 2026.4.10 contain a denial of service vulnerability in the voice-call realtime WebSocket path that accepts oversized frames without proper validat… | ||||
Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/openclaw/openclawPACKAGE
- https://github.com/openclaw/openclaw/commit/afadb7dae6738819ad9c7d2597ace0516957d20eWEB
- https://github.com/openclaw/openclaw/pull/63890WEB
- https://github.com/openclaw/openclaw/security/advisories/GHSA-vw3h-q6xq-jjm5WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-42437ADVISORY
- https://www.vulncheck.com/advisories/openclaw-denial-of-service-via-oversized-websocket-frames-in-voice-call-realtime-pathWEB
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