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Anthropic: That Claude Code extension compromise… couldn't be us
Teaser from the source
Claudeshop fingers 'malicious actor' in targeted supply-chain attack on Cursor
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Read at The Register — SecurityMore on Anthropic
Other advisories
- Criticalpwn_watch:claude-code-vscode-extension-ssh-backdoor-oct-2026Trojanized Claude Code VS Code extension (Anthropic.claude-code 2.1.312 and 2.1.313) in Cursor's extension marketplace planted an SSH backdoor on up to 5,000 machines
- Highosv:MAL-2026-18189Malicious code in aanthropic (PyPI)
- Highosv:MAL-2026-18055Malicious code in api-anthropic (npm)
- CriticalCVE-2026-96620Anthropics Claude-agent-sdk-python: Betriebssystem-Befehlsinjektion
- CriticalCVE-2026-98432Linux kernel CVE-2026-98432: TCP use-after-free rated 9.8, Anthropic says its AI built a remote root exploit
- HighCVE-2026-86063Anthropics Claude-code: Download von Code ohne Integritätsprüfung
- HighCVE-2026-103435@anthropic-ai/claude-code: Pfadüberschreitung (Path Traversal)
- Highosv:MAL-2026-17472Malicious code in anthropic-sdk (PyPI)
Other news entries
- Cybersecurity M&A Roundup: 37 Deals Announced in October 2026NewsSecurityWeek
- Cursor removes malicious Claude Code extension after SSH backdoor attemptNewsCSO Online
- Anthropic VS code extension on Cursor backdoored for nearly 12 hoursNewsArs Technica — Security
- Linux kernel exploit enables remote root attacks on MPTCP serversNewsBleepingComputer
- Critical Linux kernel flaw allows remote root attacks on MPTCP serversNewsBleepingComputer
- In Other News: Anthropic Breach Dispute, UEFI Flaw Hits Most Servers, Cloudflare AI Data LeakNewsSecurityWeek
- Malicious Claude Code extension on Cursor planted SSH backdoorsNewsBleepingComputer
- Anthropic AI model finds Linux kernel bug that leads to remote root accessNewsCSO Online
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