{"action":"Upgrade svelte to 5.53.5 or later.","affected":[{"fixed":"5.53.5","introduced":"0"}],"component":"svelte","cve_ids":["CVE-2026-27901"],"ecosystem":"npm","epss":0.00257,"exploited":false,"fixed_versions":["5.53.5"],"ghsa_id":"GHSA-phwv-c562-gvmh","id":"tcs_01M5KG3R8Q19ZBGYGDCGA3TE3A","modified_at":"2026-09-10T03:50:35.484136824Z","published_at":"2026-02-26T22:24:54Z","references":["https://osv.dev/vulnerability/GHSA-phwv-c562-gvmh","https://github.com/sveltejs/svelte/security/advisories/GHSA-phwv-c562-gvmh","https://nvd.nist.gov/vuln/detail/CVE-2026-27901","https://github.com/sveltejs/svelte/commit/0df5abcae223058ceb95491470372065fb87951d","https://github.com/sveltejs/svelte","https://github.com/sveltejs/svelte/releases/tag/svelte@5.53.5"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"GHSA-phwv-c562-gvmh","url":"https://osv.dev/vulnerability/GHSA-phwv-c562-gvmh"},{"source":"nvd","source_id":"CVE-2026-27901","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27901"}],"summary":"Svelte vulnerable to XSS during SSR with contenteditable `bind:innerText` and `bind:textContent`"}