{"id":"CVE-2026-115392","aliases":[],"cve":{"records":[{"id":"CVE-2026-115392","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-22T11:27:18.001Z","published":"2026-10-22T19:13:58.512Z","modified":"2026-10-29T02:32:06.275Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-10-22T19:13:58.512Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-29T02:32:06.275Z"}],"references":[{"url":"https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-vqjp-4c8c-hfgg","tags":["vendor-advisory"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/wasmtime-before-24.0.13-25.0.0-before-36.0.14-37.0.0-before-46.0.3-and-47.0.0-before-47.0.4-sandbox-escape-via-trailing-slashes","tags":["third-party-advisory"],"source":"VulnCheck"}],"weaknesses":[{"id":"CWE-61","description":"UNIX Symbolic Link (Symlink) Following","source":"VulnCheck"}],"applicability":[{"source":"VulnCheck","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:bytecodealliance:wasmtime:*:*:*:*:*:*:*:*","versionEndExcluding":"24.0.13"},{"vulnerable":true,"criteria":"cpe:2.3:a:bytecodealliance:wasmtime:*:*:*:*:*:*:*:*","versionStartIncluding":"25.0.0","versionEndExcluding":"36.0.14"},{"vulnerable":true,"criteria":"cpe:2.3:a:bytecodealliance:wasmtime:*:*:*:*:*:*:*:*","versionStartIncluding":"37.0.0","versionEndExcluding":"46.0.3"},{"vulnerable":true,"criteria":"cpe:2.3:a:bytecodealliance:wasmtime:*:*:*:*:*:*:*:*","versionStartIncluding":"47.0.0","versionEndExcluding":"47.0.4"}]}]}]}],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-10-29T02:31:46.927757Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"total"}]}]},"title":"Wasmtime before 24.0.13, 25.0.0 before 36.0.14, 37.0.0 before 46.0.3, and 47.0.0 before 47.0.4 Sandbox Escape via Trailing Slashes","titleSource":"VulnCheck","descriptionSource":"VulnCheck","description":"Wasmtime before 24.0.13, 25.0.0 before 36.0.14, 37.0.0 before 46.0.3, and 47.0.0 before 47.0.4 allows a filesystem sandbox escape in wasmtime-wasi because its cap-std dependency mishandles symlinks with trailing slashes on macOS and Linux kernels lacking openat2. A guest with write access to any sandboxed directory can read and write any host-accessible file, and read-only guests may read host files via preexisting symlinks.","score":8.8,"severity":"high","published":"2026-10-22T19:13:58.512Z","modified":"2026-10-29T02:32:06.275Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"bytecodealliance","name":"wasmtime","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"24.0.13","versionType":"semver"},{"version":"24.0.13","status":"unaffected","versionType":"semver"},{"version":"25.0.0","status":"affected","lessThan":"36.0.14","versionType":"semver"},{"version":"36.0.14","status":"unaffected","versionType":"semver"},{"version":"37.0.0","status":"affected","lessThan":"46.0.3","versionType":"semver"},{"version":"46.0.3","status":"unaffected","versionType":"semver"},{"version":"47.0.0","status":"affected","lessThan":"47.0.4","versionType":"semver"},{"version":"47.0.4","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected","packageURL":"pkg:cargo/wasmtime","packageIdentity":{"ecosystem":"crates.io","name":"wasmtime"},"cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-115392"}],"remediation":[],"references":["https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-vqjp-4c8c-hfgg","https://www.vulncheck.com/advisories/wasmtime-before-24.0.13-25.0.0-before-36.0.14-37.0.0-before-46.0.3-and-47.0.0-before-47.0.4-sandbox-escape-via-trailing-slashes"],"sources":[{"name":"CVE","id":"CVE-2026-115392","modified":"2026-10-29T02:32:06.275Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-115392"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L","score":8.8},{"source":"VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:L","score":7.9}],"sourceAffected":[],"observedAt":"2026-10-29T14:34:24.379Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T10:30:36.506Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-29T08:05:34.098Z","attemptedAt":"2026-10-29T08:05:34.098Z"},{"source":"GHSA","status":"available","checkedAt":"2026-10-29T08:05:33.180Z","attemptedAt":"2026-10-29T08:05:33.180Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-29T08:05:32.652Z","attemptedAt":"2026-10-29T08:05:32.652Z"},{"source":"EPSS","status":"available","checkedAt":"2026-10-29T08:05:32.563Z","attemptedAt":"2026-10-29T08:05:32.563Z"}],"evidence":[{"source":"FIRST EPSS","id":"CVE-2026-115392","url":"https://www.first.org/epss/","probability":0.00242,"percentile":0.15359,"date":"2026-10-28","checkedAt":"2026-10-29T08:05:32.563Z"},{"source":"ENISA EUVD","id":"EUVD-2026-108326","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-108326","modified":"Oct 29, 2026, 2:32:06 AM","score":8.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L","checkedAt":"2026-10-29T08:05:32.652Z"},{"source":"GitHub Advisory Database","id":"GHSA-gxhv-gf3j-vwqc","url":"https://github.com/advisories/GHSA-gxhv-gf3j-vwqc","modified":"2026-10-22T21:32:52Z","score":7.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:L","checkedAt":"2026-10-29T08:05:33.180Z"},{"source":"NVD","id":"CVE-2026-115392","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-115392","modified":"2026-10-29T04:18:27.697","score":8.8,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L/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":"2026-10-29T08:05:34.098Z"},{"source":"NVD","id":"CVE-2026-115392","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-115392","modified":"2026-10-29T04:18:27.697","score":7.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:L","checkedAt":"2026-10-29T08:05:34.098Z"}],"aiSummary":{"text":"Wasmtime versions before 24.0.13, 25.0.0 before 36.0.14, 37.0.0 before 46.0.3, and 47.0.0 before 47.0.4 have a sandbox escape vulnerability due to mishandling of symlinks with trailing slashes. A guest with write access to a sandboxed directory can read and write host-accessible files.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T08:43:25.052Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-115392"}]}}