{"action":"Upgrade mistune to 3.3.3 or later.","affected":[{"fixed":"3.3.3","introduced":"3.3.0"}],"component":"mistune","cve_ids":["CVE-2026-76098"],"ecosystem":"PyPI","epss":0.00488,"exploited":false,"fixed_versions":["3.3.3"],"ghsa_id":"GHSA-6m44-fpc8-c3rq","id":"tcs_01M5KH888JVNQGV59VG4J5BF42","modified_at":"2026-09-10T12:15:09.113441250Z","published_at":"2026-09-10T09:44:59.543987Z","references":["https://osv.dev/vulnerability/PYSEC-2026-3863","https://github.com/lepture/mistune/security/advisories/GHSA-6m44-fpc8-c3rq","https://nvd.nist.gov/vuln/detail/CVE-2026-76098","https://github.com/lepture/mistune/commit/0938fb781d0aded99de801b340ec1f8debeae5b2","https://github.com/lepture/mistune","https://github.com/lepture/mistune/releases/tag/v3.3.3","https://pypi.org/project/mistune","https://github.com/advisories/GHSA-6m44-fpc8-c3rq"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"PYSEC-2026-3863","url":"https://osv.dev/vulnerability/PYSEC-2026-3863"}],"summary":"Mistune: Denial of Service — RecursionError via Excessive Emphasis Markers in Markdown"}