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Openclaw CVE-2026-35638

| EUVDEUVD-2026-21132 HIGH
Incorrect User Management (CWE-286)
2026-04-09 VulnCheck GHSA-q49f-7fgv-7hx8
Privilege Escalation Openclaw
8.7
CVSS 4.0 · NVD
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Severity by source

NVD PRIMARY
8.7 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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

4
EUVD ID Assigned
Apr 09, 2026 - 21:45 euvd
EUVD-2026-21132
Analysis Generated
Apr 09, 2026 - 21:45 vuln.today
Patch released
Apr 09, 2026 - 21:45 nvd
Patch available
CVE Published
Apr 09, 2026 - 21:27 nvd
HIGH 8.7

Blast Radius

ecosystem impact
† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth
  • 5 npm packages depend on openclaw (5 direct, 0 indirect)

Ecosystem-wide dependent count for version 2026.3.22.

DescriptionCVE.org

OpenClaw before 2026.3.22 contains a privilege escalation vulnerability in the Control UI that allows unauthenticated sessions to retain self-declared privileged scopes without device identity verification. Attackers can exploit the device-less allow path in the trusted-proxy mechanism to maintain elevated permissions by declaring arbitrary scopes, bypassing device identity requirements.

AnalysisAI

Privilege escalation in OpenClaw Control UI enables unauthenticated attackers to claim arbitrary privileged scopes without device identity verification. By exploiting the trusted-proxy mechanism's device-less allow path, attackers bypass authentication requirements and maintain elevated permissions across sessions. Affects OpenClaw versions prior to 2026.3.22. Attackers with low-privilege access can escalate to high-impact confidentiality and integrity compromise. No public exploit identified at time of analysis.

Technical ContextAI

Root cause lies in CWE-286 (incorrect authentication) within trusted-proxy Control UI code path. Vulnerable logic accepts self-declared scope claims from unauthenticated sessions without validating device identity, violating zero-trust principles. CVSS vector PR:L indicates low-privilege requirement but effective privilege escalation to administrative scope via scope injection.

RemediationAI

Vendor-released patch: OpenClaw 2026.3.22. Immediate upgrade required to patched version, which implements device identity verification for all scope declarations in the trusted-proxy Control UI flow. Apply commits 630f1479c44f78484dfa21bb407cbe6f171dac87 and ccf16cd8892402022439346ae1d23352e3707e9e from upstream repository. If immediate patching is not feasible, disable or restrict network access to the Control UI interface and enforce network-level authentication via reverse proxy with validated device certificates until upgrade completion. Detailed technical analysis and vendor advisory available at https://github.com/openclaw/openclaw/security/advisories/GHSA-48vw-m3qc-wr99 and https://www.vulncheck.com/advisories/openclaw-privilege-escalation-via-self-declared-scopes-in-trusted-proxy-control-ui

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CVE-2026-35638 vulnerability details – vuln.today
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