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.

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-p9x5-jp3h-96mm Qwik vulnerable to Unauthenticated RCE via server$ Deserialization
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Thu, 05 Mar 2026 18:00:00 +0000

Type Values Removed Values Added
First Time appeared Qwik
Qwik qwik
CPEs cpe:2.3:a:qwik:qwik:*:*:*:*:*:node.js:*:*
Vendors & Products Qwik
Qwik qwik
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


Wed, 04 Mar 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 04 Mar 2026 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Qwikdev
Qwikdev qwik
Vendors & Products Qwikdev
Qwikdev qwik

Tue, 03 Mar 2026 23:15:00 +0000

Type Values Removed Values Added
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.
Title Qwik affected by unauthenticated RCE via server$ Deserialization
Weaknesses CWE-502
References
Metrics cvssV4_0

{'score': 9.2, '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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-03-04T16:05:45.401Z

Reserved: 2026-02-25T03:24:57.793Z

Link: CVE-2026-27971

cve-icon Vulnrichment

Updated: 2026-03-04T16:05:39.747Z

cve-icon NVD

Status : Analyzed

Published: 2026-03-03T23:15:56.227

Modified: 2026-03-05T17:57:37.233

Link: CVE-2026-27971

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-03-04T14:53:28Z

Weaknesses