{"schema_version":1,"title":"wasmtime-wasi (crates.io) vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 3 vulnerabilities in wasmtime-wasi (crates.io): 0 in the last 7 days and 2 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-58494, was published on 8 July 2026.","url":"https://junglewise.ai/threats/technologies/wasmtime-wasi","json_url":"https://junglewise.ai/threats/technologies/wasmtime-wasi.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/wasmtime-wasi","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":1,"all_time":3,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":2,"last_365_days":3},"latest":[{"cve":"CVE-2026-58494","cvss":6.5,"epss":0.0017,"slug":"cve-2026-58494-bytecode-alliance-wasmtime-improper-permission-preservation-in","title":"Bytecode Alliance Wasmtime improper permission preservation in wasmtime-wasi","severity":"medium","exploited":false,"published_at":"2026-07-08T21:16:54+00:00","url":"https://junglewise.ai/threats/cve-2026-58494-bytecode-alliance-wasmtime-improper-permission-preservation-in"},{"cve":"CVE-2026-54786","cvss":5,"epss":0.0037,"slug":"cve-2026-54786-bytecode-alliance-wasmtime-resource-leak-in-wasip1-fd-renumber","title":"Bytecode Alliance Wasmtime resource leak in WASIp1 fd_renumber","severity":"medium","exploited":false,"published_at":"2026-07-01T21:17:03.69+00:00","url":"https://junglewise.ai/threats/cve-2026-54786-bytecode-alliance-wasmtime-resource-leak-in-wasip1-fd-renumber"},{"cve":"CVE-2026-47261","cvss":7.5,"epss":0.005,"slug":"cve-2026-47261-bytecode-alliance-wasmtime-access-control-bypass-in-wasmtime-wasi","title":"Bytecode Alliance Wasmtime access control bypass in wasmtime-wasi","severity":"high","exploited":false,"published_at":"2026-06-15T21:17:11.153+00:00","url":"https://junglewise.ai/threats/cve-2026-47261-bytecode-alliance-wasmtime-access-control-bypass-in-wasmtime-wasi"}],"weekly":[{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":1},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-28","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"surrealdb (crates.io)","slug":"surrealdb","vulnerabilities":118,"url":"https://junglewise.ai/threats/technologies/surrealdb"},{"name":"coreutils (crates.io)","slug":"crates-io-coreutils","vulnerabilities":44,"url":"https://junglewise.ai/threats/technologies/crates-io-coreutils"},{"name":"wasmtime (crates.io)","slug":"wasmtime","vulnerabilities":42,"url":"https://junglewise.ai/threats/technologies/wasmtime"},{"name":"deno (crates.io)","slug":"deno","vulnerabilities":36,"url":"https://junglewise.ai/threats/technologies/deno"},{"name":"zebrad (crates.io)","slug":"zebrad","vulnerabilities":31,"url":"https://junglewise.ai/threats/technologies/zebrad"},{"name":"openssl-src (crates.io)","slug":"openssl-src","vulnerabilities":26,"url":"https://junglewise.ai/threats/technologies/openssl-src"},{"name":"openssl (crates.io)","slug":"crates-io-openssl","vulnerabilities":25,"url":"https://junglewise.ai/threats/technologies/crates-io-openssl"},{"name":"rustfs (crates.io)","slug":"rustfs","vulnerabilities":25,"url":"https://junglewise.ai/threats/technologies/rustfs"},{"name":"ckb (crates.io)","slug":"ckb","vulnerabilities":17,"url":"https://junglewise.ai/threats/technologies/ckb"},{"name":"diesel (crates.io)","slug":"diesel","vulnerabilities":17,"url":"https://junglewise.ai/threats/technologies/diesel"},{"name":"pyo3 (crates.io)","slug":"pyo3","vulnerabilities":15,"url":"https://junglewise.ai/threats/technologies/pyo3"},{"name":"russh (crates.io)","slug":"crates-io-russh","vulnerabilities":13,"url":"https://junglewise.ai/threats/technologies/crates-io-russh"}],"technology":{"hub":true,"name":"wasmtime-wasi (crates.io)","slug":"wasmtime-wasi","vendor":{"name":"crates.io","slug":"crates-io","url":"https://junglewise.ai/threats/vendors/crates-io"},"aliases":[],"homepage":"https://wasmtime.dev/","repo_url":"https://github.com/bytecodealliance/wasmtime","description":"A Rust implementation of the WebAssembly System Interface (WASI) for the Wasmtime runtime.","url":"https://junglewise.ai/threats/technologies/wasmtime-wasi"},"most_severe":[{"cve":"CVE-2026-47261","cvss":7.5,"epss":0.005,"slug":"cve-2026-47261-bytecode-alliance-wasmtime-access-control-bypass-in-wasmtime-wasi","title":"Bytecode Alliance Wasmtime access control bypass in wasmtime-wasi","severity":"high","exploited":false,"published_at":"2026-06-15T21:17:11.153+00:00","url":"https://junglewise.ai/threats/cve-2026-47261-bytecode-alliance-wasmtime-access-control-bypass-in-wasmtime-wasi"},{"cve":"CVE-2026-58494","cvss":6.5,"epss":0.0017,"slug":"cve-2026-58494-bytecode-alliance-wasmtime-improper-permission-preservation-in","title":"Bytecode Alliance Wasmtime improper permission preservation in wasmtime-wasi","severity":"medium","exploited":false,"published_at":"2026-07-08T21:16:54+00:00","url":"https://junglewise.ai/threats/cve-2026-58494-bytecode-alliance-wasmtime-improper-permission-preservation-in"},{"cve":"CVE-2026-54786","cvss":5,"epss":0.0037,"slug":"cve-2026-54786-bytecode-alliance-wasmtime-resource-leak-in-wasip1-fd-renumber","title":"Bytecode Alliance Wasmtime resource leak in WASIp1 fd_renumber","severity":"medium","exploited":false,"published_at":"2026-07-01T21:17:03.69+00:00","url":"https://junglewise.ai/threats/cve-2026-54786-bytecode-alliance-wasmtime-resource-leak-in-wasip1-fd-renumber"}],"generated_at":"2026-09-28T03:07:00.154823+00:00"}