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CVE-2026-53837

🗓️ 12 Jun 2026 21:57:00Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov👁 5 Views

CVE-2026-53837 affects OpenClaw prior to 2026.5.6, where an improper access control vulnerability in Mattermost event handlers fails to validate channel type metadata. Attackers can bypass DM policy decisions by sending crafted Mattermost events t...

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
Cvelist
CVE-2026-53837 OpenClaw < 2026.5.6 - Missing Channel Type Validation in Mattermost Event Handlers
12 Jun 202621:57
cvelist
EUVD
EUVD-2026-36625
13 Jun 202600:34
euvd
NVD
CVE-2026-53837
12 Jun 202622:16
nvd
Positive Technologies
PT-2026-49041
12 Jun 202600:00
ptsecurity
Vulners
CNA
Node
openclawopenclawRange02026.5.6
[
  {
    "vendor": "OpenClaw",
    "product": "OpenClaw",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:npm/openclaw",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "2026.5.6"
      },
      {
        "version": "2026.5.6",
        "status": "unaffected",
        "versionType": "semver"
      }
    ],
    "repo": "https://github.com/openclaw/openclaw"
  }
]

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12 Jun 2026 22:16Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.13.7
CVSS 46.3
5