A critical vulnerability in Samba's printing subsystem (CVE-2026-4480) allows unauthenticated remote code execution due to improper sanitization of shell meta characters in the %J print command parameter. This flaw, with a maximum CVSS score of 10.0, affects Samba setups that use the vulnerable print command configuration, enabling attackers to inject malicious commands without authentication; patches have been released, and administrators are urged to update immediately or apply mitigations.
Critical Samba Vulnerability Enables Remote Code Execution Attacks
