{"action":"Upgrade mistune to 3.3.0 or later.","affected":[{"fixed":"3.3.0","introduced":"0"}],"component":"mistune","cve_ids":["CVE-2026-59925"],"ecosystem":"PyPI","epss":0.00644,"exploited":false,"fixed_versions":["3.3.0"],"ghsa_id":"GHSA-4j32-57v6-6g45","id":"tcs_01M5KEYCT26FDC4TKC3JNA91HT","modified_at":"2026-07-20T21:46:43.348949802Z","published_at":"2026-07-20T21:32:40Z","references":["https://osv.dev/vulnerability/GHSA-4j32-57v6-6g45","https://github.com/lepture/mistune/security/advisories/GHSA-4j32-57v6-6g45","https://nvd.nist.gov/vuln/detail/CVE-2026-59925","https://github.com/lepture/mistune/commit/5de41fb8e527004dbc363e047a3c380c9288c74f","https://github.com/lepture/mistune","https://github.com/lepture/mistune/releases/tag/v3.3.0","https://github.com/pypa/advisory-database/tree/main/vulns/mistune/PYSEC-2026-2213.yaml"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-4j32-57v6-6g45","url":"https://osv.dev/vulnerability/GHSA-4j32-57v6-6g45"}],"summary":"Mistune inline_parser: quadratic-time parsing on long runs of `**x**` and `***x***` emphasis pairs"}