qwikdev/qwik · Security
Qwik vulnerable to Unauthenticated RCE via server$ Deserialization
- GHSA ID
- GHSA-p9x5-jp3h-96mm
- CVE ID
- CVE-2026-27971
- Severity
- critical
- Published
- Updated
- CVSS v4
- 9.2 · 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
Description
Summary
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.
Impact
- Remote Code Execution
CWEs
- CWE-502 · Deserialization of Untrusted Data