{"id":"CVE-2026-96812","title":"Improper Exposure of Resource to Wrong Sphere in the host file helper (gofer) in Google gVisor prior to commit 573a9e73cf844f on Linux platforms with CUSE enabled allows a local attacker with container image deployment privileges to achi…","summary":"Improper Exposure of Resource to Wrong Sphere in the host file helper (gofer) in Google gVisor prior to commit 573a9e73cf844f on Linux platforms with CUSE enabled allows a local attacker with container image deployment privileges to achi…","severity":"high","cvss":8.8,"cvssVector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","cwe":["CWE-269","CWE-668"],"vendor":"Google","product":"gVisor","affected":["gVisor < 573a9e73cf844f"],"published":"2026-09-25","updated":"2026-09-25","sourceUpdated":"2026-09-25T17:17:20.543","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-96812","references":[{"url":"https://github.com/google/gvisor/commit/573a9e73cf844f","label":"cve-coordination@google.com"}],"tags":["nvd","cve.org"],"cvssSource":"cna","ingestedAt":"2026-09-25T15:10:56.363Z","slug":"CVE-2026-96812","body":"## Overview\n\nImproper Exposure of Resource to Wrong Sphere in the host file helper (gofer) in Google gVisor prior to commit 573a9e73cf844f on Linux platforms with CUSE enabled allows a local attacker with container image deployment privileges to achieve root code execution on the host system. By including a /dev/cuse character device node in a container image, opening the device passes through to the host, allowing the sandboxed attacker to register a host device and exploit CUSE unrestricted ioctl handling to overwrite root udev helper memory.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":48.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}