CVE-2026-42438

High

Description

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.

SeverityHigh

CVSS7.7

Exploit probability—

ProductOpenclaw

PublishedMay 5, 2026

First seenMay 5, 2026

Weakness typeCWE-863Incorrect authorization

How to fix

Update

openclaw2026.4.10 or later

Patches

github.com/openclaw/openclaw/commit/c949af9fabf3873b5b7c484090cb5f5ab6049a98

Vendor advisories

github.com/openclaw/openclaw/security/advisories/GHSA-jhpv-5j76-m56h

Affected products

Product	Affected versions	Fixed in
openclaw openclaw	2026.4.9	—
openclawnpm	2026.4.9 ≤ v < 2026.4.10	2026.4.10

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