OpenClaw EUVD-2026-26106

| CVE-2026-41398 LOW

Origin Validation Error (CWE-346)

2026-04-28 VulnCheck

2.1

CVSS 4.0

CVSS VectorNVD

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

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

Scope

Lifecycle Timeline

Analysis Generated

Apr 28, 2026 - 20:07 vuln.today

Severity Changed

Apr 28, 2026 - 19:52 NVD

MEDIUM LOW

CVSS changed

Apr 28, 2026 - 19:52 NVD

4.6 (MEDIUM) 2.1 (LOW)

DescriptionNVD

OpenClaw before 2026.4.2 contains an improper access control vulnerability in the iOS A2UI bridge that treats generic local-network pages as trusted origins. Attackers can inject unauthorized agent.request runs by loading attacker-controlled pages from local-network or tailnet hosts, polluting session state and consuming budget.

AnalysisAI

OpenClaw before version 2026.4.2 improperly trusts local-network pages in its iOS A2UI bridge, allowing attackers to inject unauthorized agent.request commands by serving malicious content from local-network or tailnet hosts. This can pollute session state and consume user budget without authentication, though exploitation requires user interaction and proximity to the target network.

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

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EUVD-2026-26106 vulnerability details – vuln.today

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