{"id":"CVE-2026-115392","aliases":["GHSA-vqjp-4c8c-hfgg","RUSTSEC-2026-0269"],"url":"https://o3.security/vulnerability/CVE-2026-115392","summary":"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","details":"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.","published":"2026-10-22T19:13:58.512Z","modified":"2026-10-24T02:30:16.391312320Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/115xxx/CVE-2026-115392.json"},{"type":"ADVISORY","url":"https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-vqjp-4c8c-hfgg"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-115392"},{"type":"ADVISORY","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"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-24T02:30:16.391312320Z"}}