Anthropic VS code extension on Cursor backdoored for nearly 12 hours

2026-10-31T20:51:38Z•85a914b3b4e0e15ea13c06930ef66666b9d71fe3ede876f9f4ebbc5ef52b0443
AI-agentsAI-securityEDK2IoTMCPNorth-KoreaPHPSSHTLSTorUEFIbackdoorcertificate-authority-compromisecertificate-transparencycryptocurrency-theftcybersecuritydata-breachmalwaremercenary-spywarephishingransomwareremote-code-executionsupply-chain-attackvulnerabilityzero-click-exploit

What happened

An October 2026 Ars Technica security RSS collection covering major cybersecurity incidents and vulnerabilities, including a backdoored Anthropic Cursor extension, a record cryptocurrency theft, exposure of DHS personnel, critical UEFI and PHP code-execution flaws, compromised TLS certificate infrastructure, Tor exit-node hijacking, exploited Plex servers, zero-click mercenary spyware delivery, and emerging risks involving AI agents and MCP communications. The collection includes both confirmed incidents and unconfirmed or forward-looking reports; several items indicate critical systemic or in

Why it matters

A reviewed impact interpretation has not been published for this record.

Evidence and limitations

Source ID
arstechnica_security
Record identifier
85a914b3b4e0e15ea13c06930ef66666b9d71fe3ede876f9f4ebbc5ef52b0443
Enrichment time
2026-10-31T20:51:38Z
AI-assisted enrichment
Yes

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