{"cve":"CVE-2026-27971","nvd":{"published":"2026-03-03T23:15:56.227","modified":"2026-06-17T10:27:59.753","status":"Analyzed","description":"Qwik is a performance focused javascript framework. qwik <=1.19.0 is vulnerable to RCE due to an unsafe deserialization vulnerability in the server$ RPC mechanism that allows any unauthenticated user to execute arbitrary code on the server with a single HTTP request. Affects any deployment where require() is available at runtime. This vulnerability is fixed in 1.19.1.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":9.2},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-502"],"references":["https://github.com/QwikDev/qwik/security/advisories/GHSA-p9x5-jp3h-96mm"],"products":["qwik:qwik"],"source":"nvd","synced_at":"2026-10-19T22:24:17.937441719+00:00"},"epss":{"cve":"CVE-2026-27971","score":0.05478,"percentile":0.92763,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-p9x5-jp3h-96mm","url":"https://osv.dev/vulnerability/GHSA-p9x5-jp3h-96mm","summary":"Qwik vulnerable to Unauthenticated RCE via server$ Deserialization","modified":"2026-03-04T15:26:21.851331Z","packages":[{"ecosystem":"npm","name":"@builder.io/qwik","purl":"pkg:npm/%40builder.io/qwik","ranges":["<1.19.1"],"fixed":["1.19.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}