CVE-2026-47307

Medium

Description

NULL pointer dereference vulnerability in Samsung Open Source Walrus allows an attacker to cause a denial of service via a crafted WebAssembly module containing deeply nested instructions. This issue affects Walrus: f339b8ee4ea701772e8ae640b3d1b12ac02b1ae9.

SeverityMedium

CVSS5.5

Exploit probability—

Product

Samsung Walrus

PublishedMay 19, 2026

First seenMay 19, 2026

Weakness typeCWE-476NULL pointer dereference

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

Product	Affected versions	Fixed in
samsung walrus	2026-04-27	—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.