{"action":"Upgrade mistune to 3.2.1 or later.","affected":[{"fixed":"3.2.1","introduced":"0"}],"component":"mistune","cve_ids":["CVE-2026-44897"],"ecosystem":"PyPI","epss":0.00228,"exploited":false,"fixed_versions":["3.2.1"],"ghsa_id":"GHSA-v87v-83h2-53w7","id":"tcs_01M5KFZMD0S89CFM9RCH2MG648","modified_at":"2026-09-10T03:50:47.725920177Z","published_at":"2026-05-09T00:13:12Z","references":["https://osv.dev/vulnerability/GHSA-v87v-83h2-53w7","https://github.com/lepture/mistune/security/advisories/GHSA-v87v-83h2-53w7","https://nvd.nist.gov/vuln/detail/CVE-2026-44897","https://github.com/lepture/mistune","https://github.com/lepture/mistune/releases/tag/v3.2.1"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"GHSA-v87v-83h2-53w7","url":"https://osv.dev/vulnerability/GHSA-v87v-83h2-53w7"}],"summary":"Mistune Heading ID Attribute has Injection XSS"}