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CVE-2026-41399 OpenClaw < 2026.3.28 - Denial of Service via Unbounded Pre-auth WebSocket Upgrades

🗓️ 28 Apr 2026 18:09:57Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 30 Views

OpenClaw before 2026.3.28 allows unlimited unauthenticated WebSocket upgrades, causing denial of service by exhausting sockets.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-41399
28 Apr 202618:09
attackerkb
CNNVD
OpenClaw 安全漏洞
28 Apr 202600:00
cnnvd
CVE
CVE-2026-41399
28 Apr 202618:09
cve
EUVD
EUVD-2026-26107
28 Apr 202618:09
euvd
Github Security Blog
OpenClaw: Gateway WebSocket Denial of Service via unbounded pre-auth upgrades
31 Mar 202623:54
github
NVD
CVE-2026-41399
28 Apr 202619:37
nvd
OSV
GHSA-F44P-C7W9-7XR7 OpenClaw: Gateway WebSocket Denial of Service via unbounded pre-auth upgrades
31 Mar 202623:54
osv
Positive Technologies
PT-2026-35783
28 Apr 202600:00
ptsecurity
[
  {
    "vendor": "OpenClaw",
    "product": "OpenClaw",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:npm/openclaw",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "2026.3.28"
      },
      {
        "version": "2026.3.28",
        "status": "unaffected",
        "versionType": "semver"
      }
    ]
  }
]

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28 Apr 2026 18:09Current
CVSS 3.17.5
CVSS 48.7
EPSS0.00102
30