CVE-2026-49986
CVE-2026-49986 · Cortex has Untrusted Project Bootstrap Code Execution via `CLAUDE_PROJECT_DIR`
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The Cortex MCP server (`neuro-cortex-memory`), a cross-platform persistent memory MCP, prior to version 3.17.1 treats the `CLAUDE_PROJECT_DIR` environment variable — automatically set by Claude Code to the currently open project directory — as a trusted Cortex developer checkout. When the `open_visualization` tool is invoked, `_find_dev_source()` resolves the user's active project directory as a candidate Cortex source root. The only validation performed by `_is_cortex_root()` is a check for the presence of an `mcp_server/` subdirectory and a `ui/unified-viz.html` file. An attacker who places these two marker files in a malicious repository can cause Cortex to execute an arbitrary `mcp_server/server/visualize_bootstrap.py` from that directory via `subprocess.run([sys.executable, ...])`, achieving code execution with the privileges of the victim's local user process. Version 3.17.1 fixes the issue.
CVSS 7.1 · Hoch · EPSS 0,2% · Korrektur verfügbar
- Veröffentlicht
- Aktualisiert
Technologie-Stack: python
Betroffene Produkte und Versionen
cortex
- Softwareversionen
- < 3.17.1: Betroffen
Keine Korrektur veröffentlicht
neuro-cortex-memory PyPI
- Softwareversionen
- 2.0.0
- 2.1.0
- 2.4.1
- 2.5.0
- 2.5.1
- 2.5.2
- 2.6.0
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- 3.10.0
- 3.10.1
- 3.11.0
- 3.12.0
- 3.12.1
- 3.12.2
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- 3.13.1
- 3.13.2
- 3.14.0
- 3.14.1
- 3.14.2
- 3.14.6
- 3.14.7
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- 3.4.3
- 3.5.0
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- 3.7.0
- 3.7.1
- 3.7.2
- 3.7.3
- 3.8.0
- 3.9.0
- 3.9.1
- Betroffene Versionsbereiche
- ECOSYSTEM: < 3.18.0
Auf 3.18.0 aktualisieren