AI coding agents install unpatched archived MCP servers
MCP servers
Research shows AI coding agents select deprecated and unpatched Model Context Protocol servers from archived repositories during user sessions. This creates ongoing supply chain exposure on developer machines.
why this severityResearch demonstration showing unpatched deprecated packages being introduced by agents.
- first report
- 3 Nov 2026
- last update
- 3 Nov 2026
Timeline · 1
Sources · 1
News and write-ups
- 2026-11-03AI coding agents are installing MCP servers that will never be patchedHelp Net Security · helpnetsecurity.com/2026/11/03/mcphantom-deprecated-mcp-servers
Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.
Classification
- lane
- Research
- AI role
- Attack on AI
- categories
- Infrastructure vulnerabilitySupply chain
- severity
- 1 · Research / proof of concept
- targets
- Framework / tooling
- owasp llm top 10
- LLM03:2025 Supply Chain
- mitre atlas
- AML.T0010 AI Supply Chain Compromise
- dates
- happened 3 Nov 2026 · first reported 3 Nov 2026
- origin
- News & research feeds
- record
- confidence 0.85 · created 2026-11-03 11:03Z · updated 2026-11-03 11:03Z
Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned
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# AI coding agents install unpatched archived MCP servers https://gcdradar.vercel.app/incidents/ai-coding-agents-install-unpatched-archived-mcp-servers · AIR-2026-1725 · live - Lane: Research - Severity: 1 (Research / proof of concept): Research demonstration showing unpatched deprecated packages being introduced by agents. - Fix status: Fix status unknown - First reported: 2026-11-03 - AI role: Attack on AI - Products: MCP servers ## Summary Research shows AI coding agents select deprecated and unpatched Model Context Protocol servers from archived repositories during user sessions. This creates ongoing supply chain exposure on developer machines. ## What to do No action recorded; read the sources below and the vendor's advisory. ## Latest updates - 2026-11-03: AI coding agents are installing MCP servers that will never be patched (https://helpnetsecurity.com/2026/11/03/mcphantom-deprecated-mcp-servers) ## Sources - 2026-11-03 Help Net Security: AI coding agents are installing MCP servers that will never be patched https://helpnetsecurity.com/2026/11/03/mcphantom-deprecated-mcp-servers Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.
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