CVE-2026-115387Medium· 6.2▾ SunlitGuest can panic host through filesystem datetime overflow
▾ Sunlit zone — Low / medium · no exploitation signal
impact 34.1 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Oct 24.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
Last analysed / modified upstream
0.1%
This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-j2g9-4prp-pf6h For more information see the GitHub-hosted security advisory.
wasmtime-wasi >= 49.0.0, < 49.0.1Upgrade to a patched release:
wasmtime-wasi 49.0.1Connected by shared product, vendor, weakness, or advisory.
RUSTSEC-2026-0314Medium· 6.2Guest can panic host through filesystem datetime overflow
CVE-2026-115386Low· 2.6fd_readdir copies uninitialized struct padding into guest memory
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
RUSTSEC-2026-0321Medium· 4.0WASI preview 0 implementation of `poll_oneoff` circumvents fuel consumption
RUSTSEC-2026-0322NoneExcessive allocated memory on the host when guests don't have stdio