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CVE-2026-53839

🗓️ 12 Jun 2026 21:57:01Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov👁 4 Views

OpenClaw before 2026.5.7 has a hostname validation flaw in the retry endpoint checks that allows matching hostname prefixes instead of exact hostnames. This can enable an attacker to craft a hostname prefix that resembles a trusted host, potential...

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
Cvelist
CVE-2026-53839 OpenClaw < 2026.5.7 - Hostname Prefix Matching Bypass in Trusted Retry Endpoint Validation
12 Jun 202621:57
cvelist
EUVD
EUVD-2026-36627
12 Jun 202621:57
euvd
NVD
CVE-2026-53839
12 Jun 202622:16
nvd
Positive Technologies
PT-2026-49043
12 Jun 202600:00
ptsecurity
Vulners
CNA
Node
openclawopenclawRange02026.5.7
[
  {
    "vendor": "OpenClaw",
    "product": "OpenClaw",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "2026.5.7"
      },
      {
        "version": "2026.5.7",
        "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 46
CVSS 3.16.5
4