{"id":"CVE-2026-85028","aliases":["EUVD-2026-70652","GHSA-4qmw-8r9m-c656","GHSA-g4hc-wrmm-2x74"],"status":"published","title":"Creation of Temporary File in Directory with Insecure Permissions in AWS FPGA Development Kit","description":"Creation of a temporary file in a directory with insecure permissions in the FPGA management tool installation component in AWS FPGA Development Kit (aws-fpga) before 2.3.4 might allow local users to execute arbitrary code with root privileges via crafted shell content placed at a predictable path in a world-writable temporary directory, which the installation step reads after elevating its own privileges.\n\n\n\nTo remediate this issue, users should upgrade to version 2.3.4.","severity":{"version":"4.0","score":7.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00173,"percentile":0.06881,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-379"],"published":"2026-09-03T18:07:19Z","modified":"2026-10-28T02:30:55Z","products":[{"vendor":"aws","product":"aws-fpga"}],"references":[{"url":"https://github.com/aws/aws-fpga/releases/tag/v2.3.4","tags":["release-notes","patch","fix"]},{"url":"https://aws.amazon.com/security/security-bulletins/2026-096-aws/","tags":["vendor-advisory","advisory"]},{"url":"https://github.com/aws/aws-fpga/security/advisories/GHSA-g4hc-wrmm-2x74","tags":["release-notes","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-85028","tags":["advisory"]},{"url":"https://aws.amazon.com/security/security-bulletins/2026-096-aws"},{"url":"https://github.com/advisories/GHSA-4qmw-8r9m-c656"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85028.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-85028","title":"Creation of Temporary File in Directory with Insecure Permissions in AWS FPGA Development Kit","description":"Creation of a temporary file in a directory with insecure permissions in the FPGA management tool installation component in AWS FPGA Development Kit (aws-fpga) before 2.3.4 might allow local users to execute arbitrary code with root privileges via crafted shell content placed at a predictable path in a world-writable temporary directory, which the installation step reads after elevating its own privileges.\n\n\n\nTo remediate this issue, users should upgrade to version 2.3.4.","status":"published","published":"2026-09-03T18:07:19.38Z","modified":"2026-09-03T18:28:05.817Z","cvss":[{"version":"4.0","score":7.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/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-379"],"updated_at":"2026-11-02T14:19:52.410665Z"}],"euvd":[{"id":"EUVD-2026-70652","description":"Creation of a temporary file in a directory with insecure permissions in the FPGA management tool installation component in AWS FPGA Development Kit (aws-fpga) before 2.3.4 might allow local users to execute arbitrary code with root privileges via crafted shell content placed at a predictable path in a world-writable temporary directory, which the installation step reads after elevating its own privileges.\n\n\n\nTo remediate this issue, users should upgrade to version 2.3.4.","status":"published","published":"2026-09-03T18:07:19Z","modified":"2026-09-03T18:28:05Z","cvss":[{"version":"4.0","score":7.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T18:01:13.160542Z"}],"ghsa":[{"id":"GHSA-4qmw-8r9m-c656","title":"Creation of a temporary file in a directory with insecure permissions in the FPGA management tool...","description":"Creation of a temporary file in a directory with insecure permissions in the FPGA management tool installation component in AWS FPGA Development Kit (aws-fpga) before 2.3.4 might allow local users to execute arbitrary code with root privileges via crafted shell content placed at a predictable path in a world-writable temporary directory, which the installation step reads after elevating its own privileges.\n\n\n\nTo remediate this issue, users should upgrade to version 2.3.4.","status":"published","published":"2026-09-03T21:31:15Z","modified":"2026-09-03T21:31:15Z","cvss":[{"version":"4.0","score":7.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/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-379"],"updated_at":"2026-11-02T15:11:20.583896Z"}],"nvd":[{"id":"CVE-2026-85028","description":"Creation of a temporary file in a directory with insecure permissions in the FPGA management tool installation component in AWS FPGA Development Kit (aws-fpga) before 2.3.4 might allow local users to execute arbitrary code with root privileges via crafted shell content placed at a predictable path in a world-writable temporary directory, which the installation step reads after elevating its own privileges.\n\n\n\nTo remediate this issue, users should upgrade to version 2.3.4.","status":"published","published":"2026-09-03T19:17:30.083Z","modified":"2026-09-08T14:00:33.017Z","cvss":[{"version":"4.0","score":7.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/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-379"],"updated_at":"2026-11-02T14:12:43.737972Z"}],"osv":[{"id":"CVE-2026-85028","title":"Creation of Temporary File in Directory with Insecure Permissions in AWS FPGA Development Kit","description":"Creation of a temporary file in a directory with insecure permissions in the FPGA management tool installation component in AWS FPGA Development Kit (aws-fpga) before 2.3.4 might allow local users to execute arbitrary code with root privileges via crafted shell content placed at a predictable path in a world-writable temporary directory, which the installation step reads after elevating its own privileges.\n\n\n\nTo remediate this issue, users should upgrade to version 2.3.4.","status":"published","published":"2026-09-03T18:07:19.38Z","modified":"2026-10-28T02:30:55.067032906Z","cvss":[{"version":"4.0","score":7.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-379"],"updated_at":"2026-11-02T15:45:18.482949Z"}]}}