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Advisories

OpenClaw < 2026.6.5 Authentication Bypass via HTTP Canvas

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severity
high
date
Affecting

  • OpenClaw >= 0, < 2026.6.5

CWE
  • CWE-345 Insufficient Verification of Data Authenticity
CVSS
5.1
CVSS V4 Vector
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N
Credit
jidle (@jidle123)
Description
OpenClaw versions before 2026.6.5 contain an authentication bypass vulnerability in HTTP Canvas responses that allows lower-trust callers to forge trusted A2UI actions. Attackers can perform actions requiring stronger authorization by submitting crafted requests through configured input paths, bypassing intended policy checks.

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