Anthropic Claude Code < 2.1.2 Sandbox Escape via settings.json Injection (CVE-2026-25725)

The version of Anthropic Claude Code installed on the remote host is prior to 2.1.2. It is, therefore, affected by a sandbox escape vulnerability. The bubblewrap sandboxing mechanism failed to properly protect the .claude/settings.json configuration file when it did not exist at startup. While th...