{"id":"CVE-2026-85656","aliases":["EUVD-2026-71619","GHSA-4p2r-rwww-hrf2"],"status":"published","title":"OS command injection in Amazon log4j-cve-2021-44228-hotpatch","description":"An OS command injection issue in the log4j-cve-2021-44228-hotpatch package in Amazon Linux before 1.3-9 might allow a local user to execute arbitrary commands with root privileges via a Java process whose executable path contains embedded newline characters.","severity":{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01081,"percentile":0.65423,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-78"],"published":"2026-09-04T17:33:20Z","modified":"2026-09-08T14:00:33Z","products":[{"vendor":"amazon","product":"log4j-cve-2021-44228-hotpatch"},{"vendor":"amazon web services","product":"log4j-cve-2021-44228-hotpatch"}],"references":[{"url":"https://alas.aws.amazon.com/AL2/ALAS2-2026-3784.html","tags":["vendor-advisory","patch","release-notes"]},{"url":"https://aws.amazon.com/security/security-bulletins/2026-098-aws/","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-85656"},{"url":"https://aws.amazon.com/security/security-bulletins/2026-098-aws"},{"url":"https://github.com/advisories/GHSA-4p2r-rwww-hrf2"}],"sources":{"cve":[{"id":"CVE-2026-85656","title":"OS command injection in Amazon log4j-cve-2021-44228-hotpatch","description":"An OS command injection issue in the log4j-cve-2021-44228-hotpatch package in Amazon Linux before 1.3-9 might allow a local user to execute arbitrary commands with root privileges via a Java process whose executable path contains embedded newline characters.","status":"published","published":"2026-09-04T17:33:20.371Z","modified":"2026-09-04T17:49:26.88Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:19:52.773089Z"}],"euvd":[{"id":"EUVD-2026-71619","description":"An OS command injection issue in the log4j-cve-2021-44228-hotpatch package in Amazon Linux before 1.3-9 might allow a local user to execute arbitrary commands with root privileges via a Java process whose executable path contains embedded newline characters.","status":"published","published":"2026-09-04T17:33:20Z","modified":"2026-09-04T17:49:26Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T18:01:11.774269Z"}],"ghsa":[{"id":"GHSA-4p2r-rwww-hrf2","title":"An OS command injection issue in the log4j-cve-2021-44228-hotpatch package in Amazon Linux before...","description":"An OS command injection issue in the log4j-cve-2021-44228-hotpatch package in Amazon Linux before 1.3-9 might allow a local user to execute arbitrary commands with root privileges via a Java process whose executable path contains embedded newline characters.","status":"published","published":"2026-09-04T18:31:34Z","modified":"2026-09-04T18:31:46Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T15:11:23.738212Z"}],"nvd":[{"id":"CVE-2026-85656","description":"An OS command injection issue in the log4j-cve-2021-44228-hotpatch package in Amazon Linux before 1.3-9 might allow a local user to execute arbitrary commands with root privileges via a Java process whose executable path contains embedded newline characters.","status":"published","published":"2026-09-04T18:18:06.133Z","modified":"2026-09-08T14:00:33.017Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:12:44.082631Z"}]}}