{"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":0.00409,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-pq2f-x424-6fjm","id":"tcs_01M5KH9JH6979K2RAR8CXYDD3V","modified_at":"2026-07-01T20:22:56.958502Z","published_at":"2026-06-29T11:50:49.341783Z","references":["https://osv.dev/vulnerability/PYSEC-2026-406","https://nvd.nist.gov/vuln/detail/CVE-2026-31239","https://github.com/state-spaces/mamba","https://www.notion.so/CVE-2026-31239-35d1e1393188810d9baedfbd8363f396","https://pypi.org/project/mamba-ssm","https://github.com/advisories/GHSA-pq2f-x424-6fjm"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"PYSEC-2026-406","url":"https://osv.dev/vulnerability/PYSEC-2026-406"}],"summary":"mamba language model framework vulnerable to insecure deserialization when loading pre-trained models from HuggingFace Hub"}