{"id":"CVE-2026-95702","revision":"0111205c574c4de0a8d1f809bd42eaf9","records":[{"revision":"0111205c574c4de0a8d1f809bd42eaf9","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-95702","aliases":[],"title":"Code Execution in Host Sentry Process via Double Free in gVisor VFS MemoryFile","description":"Use-after-free vulnerability in VFS in Google gVisor prior to release 20260831.0 on all platforms allows a local attacker with standard container privileges to achieve code execution in the host sentry process by double-freeing the backing MemoryFile from an in-sandbox overlay filesystem. The sentry process remains confined by host-level Linux seccomp and namespace boundaries.","state":0,"publishedAt":"2026-10-09T14:44:35.711+00:00","modifiedAt":"2026-10-15T18:15:18.924+00:00","affected":[{"ecosystem":"Vendor product","name":"gVisor","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Google\",\n                    \"product\": \"gVisor\",\n                    \"platforms\": [\n                        \"Linux\"\n                    ],\n                    \"repo\": \"https://github.com/google/gvisor\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"0\",\n                            \"lessThan\": \"20260831.0\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\"\n                }"}],"metrics":[{"system":"CVSS 4.0","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","score":8.5,"severity":"HIGH"}],"references":["https://github.com/google/gvisor/commit/90bc4fc36fe442257a06ba15df00371561c183ed","https://github.com/google/gvisor/commit/25c75149bc0eeaa6a3a49b9bbe3473588b2af6df","https://github.com/google/gvisor/commit/e4efb89c787ef15b09e68d561f1303380e1d5a77"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-95702","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-95702","identifiers":["CVE-2026-95702"]},"retained":false,"historicalAffected":[]}],"coverage":[]}