Claude Wrote a Full FreeBSD Remote Kernel RCE with Root Shell (CVE-2026-4747)

🚨 Critical Vulnerability Alert: FreeBSD Remote Kernel RCE (CVE-2026-4747)



Claude discovered a critical vulnerability in FreeBSD, a widely-used open-source operating system, which allows for a remote kernel exploit leading to a root shell (CVE-2026-4747). This vulnerability enables attackers to execute arbitrary code on the system, potentially leading to a complete system compromise. A patch is available, and administrators are urged to update their systems immediately.

guid

https://news.ycombinator.com/item?id=47597119

source_url

https://github.com/califio/publications/blob/main/MADBugs/CVE-2026-4747/write-up.md

author_name

ishqdehlvi

id: 1378
uid: pkLRq
insdate: 2026-04-01 13:05:26
title: Claude Wrote a Full FreeBSD Remote Kernel RCE with Root Shell (CVE-2026-4747)
additional:

🚨 Critical Vulnerability Alert: FreeBSD Remote Kernel RCE (CVE-2026-4747)



Claude discovered a critical vulnerability in FreeBSD, a widely-used open-source operating system, which allows for a remote kernel exploit leading to a root shell (CVE-2026-4747). This vulnerability enables attackers to execute arbitrary code on the system, potentially leading to a complete system compromise. A patch is available, and administrators are urged to update their systems immediately.
category: Hacker News
md5:
guid: https://news.ycombinator.com/item?id=47597119
source_url: https://github.com/califio/publications/blob/main/MADBugs/CVE-2026-4747/write-up.md
updated:
image:
author_name: ishqdehlvi
author_link:
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