CVE-2026-41372

Medium

Description

OpenClaw before 2026.4.2 fails to normalize trailing-dot localhost hosts in remote CDP discovery responses, allowing bypass of loopback protections. Attackers can craft hostile discovery responses returning localhost. to retarget authenticated browser control toward localhost endpoints and expose browser state.

SeverityMedium

CVSS5.8

Exploit probability—

ProductOpenclaw

PublishedApr 28, 2026

First seenApr 28, 2026

Weakness typeCWE-639Authorization bypass through user-controlled key

How to fix

Update

openclaw openclaw2026.4.2 or later
openclaw2026.4.2 or later

Patches

github.com/openclaw/openclaw/commit/9c22d636697336a6b22b0ae24798d8b8325d7828

Vendor advisories

github.com/openclaw/openclaw/security/advisories/GHSA-fh32-73r9-rgh5

Affected products

Product	Affected versions	Fixed in
openclaw openclaw	v < 2026.4.2	2026.4.2
openclawnpm	v < 2026.4.2	2026.4.2

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