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AVID-2026-R0221

Description

OpenClaw has BlueBubbles webhook auth bypass via loopback proxy trust (CVE-2026-26316)

Details

OpenClaw is a personal AI assistant. Prior to 2026.2.13, the optional BlueBubbles iMessage channel plugin could accept webhook requests as authenticated based only on the TCP peer address being loopback (127.0.0.1, ::1, ::ffff:127.0.0.1) even when the configured webhook secret was missing or incorrect. This does not affect the default iMessage integration unless BlueBubbles is installed and enabled. Version 2026.2.13 contains a patch. Other mitigations include setting a non-empty BlueBubbles webhook password and avoiding deployments where a public-facing reverse proxy forwards to a loopback-bound Gateway without strong upstream authentication.

References

Affected or Relevant Artifacts

  • Developer: openclaw
  • Deployer: openclaw
  • Artifact Details:
TypeName
Systemopenclaw
System@openclaw/bluebubbles

Impact

AVID Taxonomy Categorization

  • Risk domains: Security
  • SEP subcategories: S0100: Software Vulnerability
  • Lifecycle stages: L06: Deployment

CVSS

Version3.1
Vector StringCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Base Score7.5
Base Severity🔴 High
Attack VectorNETWORK
Attack Complexity🟢 Low
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
Confidentiality ImpactNONE
Integrity Impact🔴 High
Availability ImpactNONE

CWE

IDDescription
CWE-863CWE-863: Incorrect Authorization

Other information

  • Report Type: Advisory
  • Credits:
  • Date Reported: 2026-02-19
  • Version: 0.3.2
  • AVID Entry