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Wasmtime has a leak in WASIp1 `fd_renumber` implementation
Wasmtime has a leak in WASIp1 `fd_renumber` implementation
Affected packages
- wasmtime-wasi
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-3p27-qvp9-27qf
- https://nvd.nist.gov/vuln/detail/CVE-2026-54786
- https://github.com/bytecodealliance/wasmtime/pull/13650
- https://github.com/bytecodealliance/wasmtime/commit/100bfe27253d2ce5154ddddf66d06e30f3fa6824
- https://github.com/bytecodealliance/wasmtime/commit/36b305d827149ac0336ddcbc0a378c303339d195
- https://github.com/bytecodealliance/wasmtime/commit/72493b11ed5df382c92a9dfb8b6bc064e471f1cd
- https://github.com/bytecodealliance/wasmtime/commit/e9fbe974c9698edef117323d981e13caf2097c13
- https://github.com/bytecodealliance/wasmtime/commit/f069f125cb77a4a3dced19a77d73790610678622
- https://github.com/bytecodealliance/wasmtime
- https://github.com/bytecodealliance/wasmtime/releases/tag/v24.0.10
- https://github.com/bytecodealliance/wasmtime/releases/tag/v36.0.11
- https://github.com/bytecodealliance/wasmtime/releases/tag/v44.0.3
- https://github.com/bytecodealliance/wasmtime/releases/tag/v45.0.2
- https://rustsec.org/advisories/RUSTSEC-2026-0182.html
Structured record: https://osv.dev/vulnerability/GHSA-3p27-qvp9-27qf
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