CVE-2026-42429 MEDIUM

CVE-2026-42429: OpenClaw < 2026.4.8 - Privilege Escalation via Gateway Plugin HTTP Authentication

Vendor Openclaw
Product OpenClaw
Weakness CWE-863 · Incorrect authorization
Published April 28, 2026
Last update May 26, 2026

CVSS base score

6.0/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

OpenClaw before 2026.4.8 contains a privilege escalation vulnerability in the gateway plugin HTTP authentication mechanism that escalates identity-bearing operator.read requests to runtime operator.write permissions. Attackers can exploit this by sending read-scoped requests through the gateway auth route to gain unauthorized write access to runtime operations.

Key dates

02Disclosure timeline

April 28, 2026 CVE published
May 26, 2026 Record updated