CVE-2026-47261High· 7.5▾ TwilightWASI path_open(TRUNCATE) bypasses `FilePerms::WRITE` host restriction
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Jul 30.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
0.4%
0.4% → 0.5%
7.5 → 5.5
high → medium
Last analysed / modified upstream
5.5 → 7.5
medium → high
This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-2r75-cxrj-cmph For more information see the GitHub-hosted security advisory.
wasmtime-wasi >= 45.0.0, < 45.0.0Upgrade to a patched release:
wasmtime-wasi 45.0.0Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-54786LowLeak in WASIp1 `fd_renumber` implementation
CVE-2026-58494Medium· 6.5Wasmtime: WASI hard links bypass wasmtime-wasi's FilePerms for destination
CVE-2026-115386Low· 2.6fd_readdir copies uninitialized struct padding into guest memory
CVE-2026-115387Medium· 6.2Guest can panic host through filesystem datetime overflow
RUSTSEC-2026-0352NoneFilesystem sandbox escape when renaming symlinks with trailing slashes
RUSTSEC-2026-0324Medium· 6.2Guest can panic host through filesystem timestamp before the epoch on wasip3