CVE-2026-42438

OpenClaw versions 2026.4.9 before 2026.4.10 contain a sender policy bypass vulnerability in the outbound host-media attachment read helper that allows unauthorized local file disclosure. Attackers with denied read access via toolsBySender or group policy can trigger host-media attachment loading to bypass sender and group-scoped authorization boundaries and retrieve readable local files through the outbound media path.

CVSS v3 7.7 HIGH

7.7^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.1 / Impact : 4.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/openclaw/openclaw/commit/c949af9fabf3873b5b7c484090cb5f5ab6049a98	Patch
https://github.com/openclaw/openclaw/security/advisories/GHSA-jhpv-5j76-m56h	Vendor Advisory
https://www.vulncheck.com/advisories/openclaw-sender-policy-bypass-in-host-media-attachment-reads	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:openclaw:openclaw:2026.4.9:*:*:*:*:node.js:*:*

History

07 May 2026, 01:59

Type	Values Removed	Values Added
CPE		cpe:2.3:a:openclaw:openclaw:2026.4.9:::::node.js::
First Time		Openclaw Openclaw openclaw
References	~~() https://github.com/openclaw/openclaw/commit/c949af9fabf3873b5b7c484090cb5f5ab6049a98 -~~	() https://github.com/openclaw/openclaw/commit/c949af9fabf3873b5b7c484090cb5f5ab6049a98 - Patch
References	~~() https://github.com/openclaw/openclaw/security/advisories/GHSA-jhpv-5j76-m56h -~~	() https://github.com/openclaw/openclaw/security/advisories/GHSA-jhpv-5j76-m56h - Vendor Advisory
References	~~() https://www.vulncheck.com/advisories/openclaw-sender-policy-bypass-in-host-media-attachment-reads -~~	() https://www.vulncheck.com/advisories/openclaw-sender-policy-bypass-in-host-media-attachment-reads - Third Party Advisory

05 May 2026, 12:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-05 12:16

Updated : 2026-05-07 01:59

NVD link : CVE-2026-42438

Mitre link : CVE-2026-42438

CVE.ORG link : CVE-2026-42438

JSON object : View

Products Affected

openclaw

openclaw

CWE

CWE-863

Incorrect Authorization

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