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TI-2026-30727 Aliases CVE-2026-42437GHSA-vw3h-q6xq-jjm5

OpenClaw 2026.4.9 < 2026.4.10 - Denial of Service via Oversized WebSocket Frames in Voice-call Realtime Path

Priority MEDIUM 42CWE-770Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
Present
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-770.

Summary

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 validation. Remote attackers can send oversized WebSocket frames to cause service unavailability for deployments exposing the voice-call realtime WebSocket path.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00412 35th percentileScored 2026-11-07
Fix Fixed OpenClaw (OpenClaw): 2026.4.10openclaw (npm): 2026.4.10

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
OpenClawOpenClaw2026.4.9 to before 2026.4.102026.4.10Patch availableCNA
—openclaw (npm)2026.4.9 to before 2026.4.102026.4.10Patch availableGHSA-vw3h-q6xq-jjm5
  • OpenClaw VendorOpenClaw Affected 2026.4.9 to before 2026.4.10 Fixed in 2026.4.10 Patch available CNA
  • openclaw (npm) Vendor— Affected 2026.4.9 to before 2026.4.10 Fixed in 2026.4.10 Patch available GHSA-vw3h-q6xq-jjm5

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:*:*:*——OpenClaw
  • cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:*:*:* Versions — — ·OpenClaw

Remediation

  • Fix · CNA OpenClaw (OpenClaw) Fixed in 2026.4.10
  • Fix · GHSA-vw3h-q6xq-jjm5 openclaw (npm) Fixed in 2026.4.10 Advisory →

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    OpenClaw 2026.4.10

    13 records Highest priority Priority MEDIUM 4 MEDIUM, 9 LOW

    Other records, highest priority first

    • TI-2026-31698 OpenClaw < 2026.4.10 - Unsanitized External Input in Agent Hook EventsPriority MEDIUM 47
    • TI-2026-31697 OpenClaw < 2026.4.10 - Arbitrary Local File Read via QQBot Media TagsPriority MEDIUM 45
    • TI-2026-30724 OpenClaw 2026.4.5 < 2026.4.10 - Sandbox Escape via host Parameter Override in Exec RoutingPriority MEDIUM 40
    Show all 13 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-42437
  2. 2026-10-03 Alias added: GHSA-vw3h-q6xq-jjm5
  3. 2026-10-25 EPSS moved to the below the 50th percentile

References

Patch 1

Advisory 2

Other 2

  • TI-2026-07590 Crabbox < v0.12.0 Environment Variable Information Disclosure CVSS 4.0CRITICAL 9.3
  • TI-2026-25309 OpenClaw < 2026.3.28 Media Parsing Path Traversal to Arbitrary File Read CVSS 4.0HIGH 8.7
  • TI-2026-65190 OpenClaw Windows Node before 2026.7.1 Remote Code Execution via system.execApprovals.set CVSS 4.0HIGH 8.7
  • TI-2026-65188 OpenClaw Windows Node before 2026.7.1 Authorization Bypass CVSS 4.0HIGH 8.7
  • TI-2026-20394 Exposure of resource to wrong sphere in OpenClaw CVSS 3.1HIGH 8.8
  • TI-2026-27742 OpenClaw < 2026.3.24 - Arbitrary Code Execution via .npmrc in Local Plugin/Hook Installation CVSS 4.0HIGH 8.4
See all 678 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences