{"id":"CVE-2026-16848","title":"IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to execute arbitrary commands due to improper neutralization of shell metacharacters in DHCP options.","summary":"IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to execute arbitrary commands due to improper neutralization of shell metacharacters in DHCP options.","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-78"],"published":"2026-08-19","updated":"2026-08-22","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-16848","references":[{"url":"https://www.ibm.com/support/pages/node/7283858","label":"psirt@us.ibm.com"}],"tags":["nvd"],"epss":0.00309,"epssPercentile":0.23908,"ingestedAt":"2026-08-23T02:40:57.441Z","slug":"CVE-2026-16848","body":"## Overview\n\nIBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to execute arbitrary commands due to improper neutralization of shell metacharacters in DHCP options.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}