CVE-2026-25725
CVE-2026-25725 · Claude Code Has Sandbox Escape via Persistent Configuration Injection in settings.json
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Claude Code is an agentic coding tool. Prior to version 2.1.2, Claude Code's bubblewrap sandboxing mechanism failed to properly protect the .claude/settings.json configuration file when it did not exist at startup. While the parent directory was mounted as writable and .claude/settings.local.json was explicitly protected with read-only constraints, settings.json was not protected if it was missing. This allowed malicious code running inside the sandbox to create this file and inject persistent hooks (such as SessionStart commands) that would execute with host privileges when Claude Code was restarted. This issue has been patched in version 2.1.2.
CVSS 7.7 · Hoch · EPSS 0,5% · Korrektur verfügbar
- Veröffentlicht
- Aktualisiert
Technologie-Stack: node
Betroffene Produkte und Versionen
claude-code
- Softwareversionen
- < 2.1.2: Betroffen
Keine Korrektur veröffentlicht
@anthropic-ai/claude-code npm
- Betroffene Versionsbereiche
- SEMVER: < 2.1.2
Auf 2.1.2 aktualisieren