OriginalSourceDecryptLeanUnratedCredibilityUnratedPublished20:36 UTCSourceDecryptLeanUnratedCredibilityUnratedPublished20:36 UTC
“Claude-Built Linux Exploit Targets Bug That Ubuntu Still Hasn't Patched”
Anthropic says Claude wrote a Linux exploit targeting CVE-2026-98432, Ubuntu shows all versions vulnerable.
Key points
- Anthropic reports Claude authored a working Linux exploit for remote root access via CVE-2026-98432.
- The flaw has existed since Linux 4.4 and scores 9.8/10 in severity.
- Red Hat released fixes on Nov. 1; Ubuntu still lists all versions as vulnerable.
- Exploit relies on multipath TCP but underlying bug is not limited to MPTCP.
- A server workaround includes temporary firewall rules while full fixes are developed.
How it got here
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