{"action":"Upgrade @builder.io/qwik to 1.19.1 or later.","affected":[{"fixed":"1.19.1","introduced":"0"}],"component":"@builder.io/qwik","cve_ids":["CVE-2026-27971"],"ecosystem":"npm","epss":0.05478,"exploited":false,"fixed_versions":["1.19.1"],"ghsa_id":"GHSA-p9x5-jp3h-96mm","id":"tcs_01M5KG38KWMWB5RRX6S9PENRMJ","modified_at":"2026-03-04T15:26:21.851331Z","published_at":"2026-03-02T21:41:18Z","references":["https://osv.dev/vulnerability/GHSA-p9x5-jp3h-96mm","https://github.com/QwikDev/qwik/security/advisories/GHSA-p9x5-jp3h-96mm","https://nvd.nist.gov/vuln/detail/CVE-2026-27971","https://github.com/QwikDev/qwik","https://github.com/QwikDev/qwik/releases/tag/%40builder.io%2Fqwik%401.19.1"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"GHSA-p9x5-jp3h-96mm","url":"https://osv.dev/vulnerability/GHSA-p9x5-jp3h-96mm"},{"source":"nvd","source_id":"CVE-2026-27971","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27971"}],"summary":"Qwik vulnerable to Unauthenticated RCE via server$ Deserialization"}