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CVE-2026-90938

🗓️ 14 Sep 2026 12:48:32Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov👁 35 Views🌐 WEB

Unauthenticated WebSocket plugin registration in LangBot through 0.4.17 via empty debug key.

Related
Detection
Affected
Refs
Paths
Vulners
CNA
Node
langbot-applangbotRange0–0.4.17
[
  {
    "vendor": "langbot-app",
    "product": "LangBot",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:pypi/langbot_plugin",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "versionType": "semver",
        "lessThanOrEqual": "0.4.17"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
plugin_debug_keypath0.0.0.0:5401/plugin/wsUnauthenticated debug WebSocket endpoint at /plugin/ws on port 5401; authentication bypass due to default empty plugin_debug_key enables remote registration of a debug plugin and exposure of full IM context.CWE-306

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23 Sep 2026 17:17Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.18.6
CVSS 48.8
EPSS0.00572
SSVC
35