CVE-2026-42437

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Source
https://cve.org/CVERecord?id=CVE-2026-42437
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-42437.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-42437
Aliases
Published
2026-05-05T11:24:55Z
Modified
2026-10-28T02:30:49Z
Severity
  • 8.2 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS Calculator
Summary
OpenClaw 2026.4.9 < 2026.4.10 - Denial of Service via Oversized WebSocket Frames in Voice-call Realtime Path
Details

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.

Database specific 
{
    "cna_assigner":  "VulnCheck",
    "cwe_ids":  [
        "CWE-770"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42437.json"
}
References

Affected packages

Git / github.com/openclaw/openclaw

Affected ranges

Type
GIT
Repo
https://github.com/openclaw/openclaw
Events
Introduced
0512059dd4e6d2e582393828b837c376ddc4719c
Fixed
44e5b62c27e088128e32e209c146de346c3ea7e6
Fixed
afadb7dae6738819ad9c7d2597ace0516957d20e
Database specific
Show details 
{
    "extracted_events":  [
        {
            "range":  [
                {
                    "introduced":  "2026.4.9"
                },
                {
                    "fixed":  "2026.4.10"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandardRange"
        },
        {
            "range":  [
                {
                    "fixed":  "afadb7dae6738819ad9c7d2597ace0516957d20e"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        }
    ]
}

Affected versions

v2026.*
v2026.4.9

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-42437.json"