{"action":"Upgrade wasmtime to 36.0.7 or later.","affected":[{"fixed":"36.0.7","introduced":"28.0.0"},{"fixed":"42.0.2","introduced":"37.0.0"},{"fixed":"43.0.1","introduced":"43.0.0"}],"component":"wasmtime","cve_ids":["CVE-2026-34988"],"ecosystem":"crates.io","epss":0.00297,"exploited":false,"fixed_versions":["36.0.7","42.0.2","43.0.1"],"ghsa_id":"GHSA-6wgr-89rj-399p","id":"tcs_01M5KETVTHNX4B44RJWG6NVW6A","modified_at":"2026-09-10T03:50:43.484066408Z","published_at":"2026-04-09T20:23:58Z","references":["https://osv.dev/vulnerability/GHSA-6wgr-89rj-399p","https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-6wgr-89rj-399p","https://nvd.nist.gov/vuln/detail/CVE-2026-34988","https://github.com/bytecodealliance/wasmtime","https://rustsec.org/advisories/RUSTSEC-2026-0088.html"],"severity":{"label":"medium","score":6.3},"sources":[{"source":"osv","source_id":"GHSA-6wgr-89rj-399p","url":"https://osv.dev/vulnerability/GHSA-6wgr-89rj-399p"},{"source":"nvd","source_id":"CVE-2026-34988","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34988"}],"summary":"Wasmtime has data leakage between pooling allocator instances"}