{"id":"CVE-2026-122193","aliases":[],"cve":{"records":[{"id":"CVE-2026-122193","source":"AMZN","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-11-04T19:50:42.531Z","published":"2026-11-06T17:09:11.852Z","modified":"2026-11-06T20:35:22.445Z"}],"publishers":[{"name":"AMZN","role":"CNA","organizationId":"ff89ba41-3aa1-4d27-914a-91399e9639e5","modified":"2026-11-06T17:17:49.594Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-11-06T20:35:22.445Z"}],"references":[{"url":"https://aws.amazon.com/security/security-bulletins/2026-173-aws/","tags":["vendor-advisory"],"source":"AMZN"},{"url":"https://github.com/trusted-remote-execution/trusted-remote-execution/security/advisories/GHSA-95g5-m242-wvhr","tags":["third-party-advisory"],"source":"AMZN"}],"weaknesses":[{"id":"CWE-78","description":"CWE-78 Improper neutralization of special elements used in an OS command ('OS command injection')","source":"AMZN"}],"applicability":[{"source":"AMZN","statements":[{"operator":"OR","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:aws:trusted-remote-execution:n_a:*:*:*:*:*:*:*"}]}]}]}],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-11-06T20:35:18.533469Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"total"}]}]},"title":"OS command injection in the example SSM documents in Trusted Remote Execution (REX)","titleSource":"AMZN","descriptionSource":"AMZN","description":"OS command injection in the example SSM document provisioning script in Trusted Remote Execution (REX) before 2026-07-28 might allow an authenticated remote user who is permitted to invoke the Rex-RO or Rex-RW SSM document to execute arbitrary commands as root on the managed instance, bypassing Cedar policy enforcement.\n\n\n\nTo remediate this issue, users should delete any Rex-RO and Rex-RW SSM documents created from the example script, in each account and Region where it was run.","score":9.9,"severity":"critical","published":"2026-11-06T17:09:11.852Z","modified":"2026-11-06T20:35:22.445Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"AWS","name":"trusted-remote-execution","platforms":[],"versions":[{"version":"N/A","status":"affected","versionType":"custom"}],"defaultStatus":"unaffected","cpes":[],"source":"AMZN","url":"https://www.cve.org/CVERecord?id=CVE-2026-122193"}],"remediation":[],"references":["https://aws.amazon.com/security/security-bulletins/2026-173-aws/","https://github.com/trusted-remote-execution/trusted-remote-execution/security/advisories/GHSA-95g5-m242-wvhr"],"sources":[{"name":"CVE","id":"CVE-2026-122193","modified":"2026-11-06T20:35:22.445Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-122193"}],"assessments":[{"source":"AMZN","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","score":9.9},{"source":"AMZN","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:L/SA:N","score":9.3}],"sourceAffected":[],"observedAt":"2026-11-06T20:47:29.331Z","kev":{"status":"not-listed","checkedAt":"2026-11-08T03:05:30.801Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-11-06T18:15:34.495Z","attemptedAt":"2026-11-06T18:15:34.495Z"},{"source":"GHSA","status":"no-result","checkedAt":"2026-11-06T18:15:34.714Z","attemptedAt":"2026-11-06T18:15:34.714Z"},{"source":"EUVD","status":"available","checkedAt":"2026-11-06T18:15:35.158Z","attemptedAt":"2026-11-06T18:15:35.158Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-11-06T18:15:34.767Z","attemptedAt":"2026-11-06T18:15:34.767Z"}],"evidence":[{"source":"NVD","id":"CVE-2026-122193","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-122193","modified":"2026-11-06T17:17:20.313","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:L/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","checkedAt":"2026-11-06T18:15:34.495Z"},{"source":"NVD","id":"CVE-2026-122193","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-122193","modified":"2026-11-06T17:17:20.313","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","checkedAt":"2026-11-06T18:15:34.495Z"},{"source":"ENISA EUVD","id":"EUVD-2026-118379","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-118379","modified":"Nov 6, 2026, 5:17:49 PM","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:L/SA:N","checkedAt":"2026-11-06T18:15:35.158Z"}],"aiSummary":{"text":"Trusted Remote Execution (REX) before 2026-07-28 has an OS command injection weakness, potentially allowing authenticated remote users to execute arbitrary commands as root. The issue affects example SSM documents. An attacker needs permission to invoke the Rex-RO or Rex-RW SSM document.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-11-06T18:11:07.836Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-122193"}]}}