CVE ID :CVE-2026-118688
Published : Oct. 28, 2026, 7:17 p.m. | 33 minutes ago
Description :wasmtime-wasi in Wasmtime before 36.0.18, 37.0.0 before 48.0.6, and 49.0.0 before 49.0.3 re-appends a trailing slash to rename source paths, causing renameat on macOS and FreeBSD hosts to follow directory symlinks. A guest with sandbox write access can rename a relative symlink such as “up/” to move host directories into its sandbox and read or write them.
Severity: 8.8 | HIGH
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