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OpenClaw CVE-2026-42429

| EUVD-2026-26131 MEDIUM
Incorrect Authorization (CWE-863)
2026-04-28 VulnCheck
Authentication Bypass Privilege Escalation
6.0
CVSS 4.0
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CVSS VectorNVD

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

5
Severity Changed
Apr 28, 2026 - 19:52 NVD
HIGH MEDIUM
CVSS changed
Apr 28, 2026 - 19:52 NVD
7.1 (HIGH) 6.0 (MEDIUM)
EUVD ID Assigned
Apr 28, 2026 - 19:30 euvd
EUVD-2026-26131
Patch released
Apr 28, 2026 - 19:30 nvd
Patch available
CVE Published
Apr 28, 2026 - 18:10 nvd
MEDIUM 6.0

DescriptionNVD

OpenClaw before 2026.4.8 contains a privilege escalation vulnerability in the gateway plugin HTTP authentication mechanism that widens identity-bearing operator.read requests into 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.

Analysis

OpenClaw before 2026.4.8 contains a privilege escalation vulnerability in the gateway plugin HTTP authentication mechanism that widens identity-bearing operator.read requests into 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.

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CVE-2026-42429 vulnerability details – vuln.today
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