Severity: ElevatedAction: Be aware

Critical Linux kernel flaw allows remote root attacks on MPTCP servers

Security researchers at Anthropic have developed an exploit for a critical Linux kernel vulnerability that allows unauthenticated attackers to remotely execute commands as root on servers running Multipath TCP (MPTCP) listeners.

Excerpt from the primary source: BleepingComputer

Who is affected

Small businesses · Enterprises · Developers

Affected technology: Claude, Linux

What you should do · Be aware

No immediate action is indicated. Share this with the relevant teams and watch for updates.

Automated guidance based on this story's classification. Check the linked advisories for specifics.

Sources

We link to original and authoritative sources. Headlines and excerpts belong to their publishers.

Original reporting

Critical Linux kernel flaw allows remote root attacks on MPTCP servers BleepingComputer · bleepingcomputer.com · Oct 30, 2026 · Primary source
Severity: ElevatedAction: Be aware

Chrome Dev for Desktop Update

The Dev channel has been updated to 159.0.8130.0 for Windows, Mac and Linux. A partial list of changes is available in the Git log . Interested in switching release channels? Find out how . If you find a new issue, please let us know by filing a bug . The community help forum is also a great place to reach out for help or learn about common issues. Chrome Release Team Google Chrome…

Severity: ElevatedAction: Be aware

Malicious Claude Code extension on Cursor planted SSH backdoors

A malicious version of Anthropic's Claude Code VS Code extension was distributed through Cursor's extension marketplace for approximately 11 hours on October 29, exposing up to 5,000 developers to malware designed to install persistent SSH backdoors.