CVE-2026-66902 Google::Auth versions before 0.06 for Perl run a command named in an external_account credentials JSON via an ungated system call

Google::Auth versions before 0.06 for Perl run a command named in an externalaccount credentials JSON via an ungated system call. The Pluggable subclass reads credentialsource.executable.command from the credentials JSON and runs it as system$command, a single argument call that passes the whole...