{"action":"Upgrade markdown-it to 14.2.0 or later.","affected":[{"fixed":"14.2.0","introduced":"0"}],"component":"markdown-it","cve_ids":["CVE-2026-48988"],"ecosystem":"npm","epss":0.00379,"exploited":false,"fixed_versions":["14.2.0"],"ghsa_id":"GHSA-6v5v-wf23-fmfq","id":"tcs_01M5KF7Z8VHPH9E1K3CH9X9M8J","modified_at":"2026-09-10T03:51:08.074107342Z","published_at":"2026-06-15T20:41:06Z","references":["https://osv.dev/vulnerability/GHSA-6v5v-wf23-fmfq","https://github.com/markdown-it/markdown-it/security/advisories/GHSA-6v5v-wf23-fmfq","https://github.com/markdown-it/markdown-it"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"GHSA-6v5v-wf23-fmfq","url":"https://osv.dev/vulnerability/GHSA-6v5v-wf23-fmfq"}],"summary":"markdown-it: Quadratic complexity DoS in smartquotes rule via replaceAt string operations"}