{"id":"CVE-2026-16926","aliases":["EUVD-2026-63386","GHSA-83fg-6ff4-5q69"],"status":"published","title":"Vulnerabilities in IBM AIX and PowerVM VIOS","description":"IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to overwrite arbitrary files due to improper neutralization of special elements in input.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00564,"percentile":0.47301,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-73"],"published":"2026-08-20T14:38:05Z","modified":"2026-10-26T10:10:00Z","products":[{"vendor":"ibm","product":"aix"},{"vendor":"ibm","product":"powervm vios"},{"vendor":"ibm","product":"vios"}],"references":[{"url":"https://www.ibm.com/support/pages/node/7283858","tags":["vendor-advisory","patch","Vendor Advisory","Patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-16926"},{"url":"https://github.com/advisories/GHSA-83fg-6ff4-5q69"}],"sources":{"cve":[{"id":"CVE-2026-16926","title":"Vulnerabilities in IBM AIX and PowerVM VIOS","description":"IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to overwrite arbitrary files due to improper neutralization of special elements in input.","status":"published","published":"2026-08-20T14:38:05.356Z","modified":"2026-08-25T14:40:43.875Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-73"],"updated_at":"2026-11-02T14:20:11.24076Z"}],"euvd":[{"id":"EUVD-2026-63386","description":"IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to overwrite arbitrary files due to improper neutralization of special elements in input.","status":"published","published":"2026-08-20T14:38:05Z","modified":"2026-08-25T14:40:43Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T18:01:32.944243Z"}],"ghsa":[{"id":"GHSA-83fg-6ff4-5q69","title":"IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to overwrite...","description":"IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to overwrite arbitrary files due to improper neutralization of special elements in input.","status":"published","published":"2026-08-20T15:34:19Z","modified":"2026-08-20T15:34:26Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical"}],"cwes":["CWE-73"],"updated_at":"2026-11-02T15:10:46.520021Z"}],"nvd":[{"id":"CVE-2026-16926","description":"IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to overwrite arbitrary files due to improper neutralization of special elements in input.","status":"published","published":"2026-08-20T15:17:28.963Z","modified":"2026-10-26T10:10:00.14Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-73"],"updated_at":"2026-11-02T14:12:40.302911Z"}]}}