{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0","last_affected":"2.2.6"}],"component":"mamba-ssm","cve_ids":["CVE-2026-31239"],"ecosystem":"PyPI","epss":0.00597,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-pq2f-x424-6fjm","id":"tcs_01M5KFTFNBGNT28BA5ESKNDE9B","modified_at":"2026-06-29T12:26:10.536535551Z","published_at":"2026-05-12T18:30:41Z","references":["https://osv.dev/vulnerability/GHSA-pq2f-x424-6fjm","https://nvd.nist.gov/vuln/detail/CVE-2026-31239","https://github.com/state-spaces/mamba","https://www.notion.so/CVE-2026-31239-35d1e1393188810d9baedfbd8363f396"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"GHSA-pq2f-x424-6fjm","url":"https://osv.dev/vulnerability/GHSA-pq2f-x424-6fjm"}],"summary":"mamba language model framework vulnerable to insecure deserialization when loading pre-trained models from HuggingFace Hub"}