{"affected":[{"defaultStatus":"unaffected","product":"aws-parallelcluster","source":"CNA: AMZN","vendor":"AWS","versions":[{"lessThan":"3.16.0","status":"affected","version":"3.0.0","versionType":"custom"}]}],"cveId":"CVE-2026-124033","cwes":["CWE-23"],"description":"The export-cluster-logs and export-image-logs commands in the AWS ParallelCluster CLI before version 3.16.0 contain a relative path traversal issue. An authenticated remote user with write access to the log export Amazon S3 bucket could use a crafted S3 object key to write files outside the intended export directory on the machine running the command. The written files would have names and content controlled by a third party, and would be created with the privileges of the user running the command.\n\n\n\nTo remediate this issue, users should upgrade to version 3.16.0 or later.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":6.4,"severity":"medium","source":"CNA: AMZN","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:H","version":"3.1"},{"score":5.9,"severity":"medium","source":"CNA: AMZN","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0"}],"modifiedAt":1794258601049,"publishedAt":1794258306845,"references":[{"source":"CNA: AMZN","tags":["release-notes","patch"],"url":"https://github.com/aws/aws-parallelcluster/releases/tag/v3.16.0"},{"source":"CNA: AMZN","tags":["vendor-advisory"],"url":"https://aws.amazon.com/security/security-bulletins/2026-174-aws/"},{"source":"CNA: AMZN","tags":["third-party-advisory"],"url":"https://github.com/aws/aws-parallelcluster/security/advisories/GHSA-h79v-mp93-644r"}],"remediation":[{"kind":"fix","source":"CNA: AMZN","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/aws/aws-parallelcluster/releases/tag/v3.16.0"}],"revision":"b5bc102b715e22c39ee6de2659bc36078566b8b1c83551305351d97fb44f40d0","sources":[{"modifiedAt":1794258601049,"name":"CNA: AMZN","retrievedAt":1794262165456,"url":"https://www.cve.org/CVERecord?id=CVE-2026-124033"}],"ssvc":null,"status":"published","title":"Relative path traversal in the log export commands in AWS ParallelCluster CLI","updatedAt":1794262165456}