{"action":"Upgrade wasmtime to 24.0.6 or later.","affected":[{"fixed":"24.0.6","introduced":"0"},{"fixed":"36.0.6","introduced":"25.0.0"},{"fixed":"40.0.4","introduced":"37.0.0"}],"component":"wasmtime","cve_ids":["CVE-2026-27204"],"ecosystem":"crates.io","epss":0.00404,"exploited":false,"fixed_versions":["24.0.6","36.0.6","40.0.4"],"ghsa_id":"GHSA-852m-cvvp-9p4w","id":"tcs_01M5KEVKM93J6RF3Y9VSD0HDAG","modified_at":"2026-09-10T03:50:34.409495188Z","published_at":"2026-02-24T20:47:08Z","references":["https://osv.dev/vulnerability/GHSA-852m-cvvp-9p4w","https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-852m-cvvp-9p4w","https://nvd.nist.gov/vuln/detail/CVE-2026-27204","https://github.com/bytecodealliance/wasmtime/issues/11552","https://github.com/bytecodealliance/wasmtime/pull/12599","https://docs.rs/wasmtime-wasi/latest/wasmtime_wasi/struct.WasiCtxBuilder.html#method.max_random_size","https://docs.rs/wasmtime/latest/wasmtime/component/struct.ResourceTable.html#method.set_max_capacity","https://docs.rs/wasmtime/latest/wasmtime/struct.Store.html#method.set_hostcall_fuel","https://docs.wasmtime.dev/security-what-is-considered-a-security-vulnerability.html","https://github.com/bytecodealliance/wasmtime","https://rustsec.org/advisories/RUSTSEC-2026-0020.html"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GHSA-852m-cvvp-9p4w","url":"https://osv.dev/vulnerability/GHSA-852m-cvvp-9p4w"},{"source":"nvd","source_id":"CVE-2026-27204","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27204"}],"summary":"Wasmtime WASI implementations are vulnerable to guest-controlled resource exhaustion"}