CVE•Published 2026-03-03•1 article on news•6 live references•NVD data

CVE-2026-27971

Vulnerability data via CVEDB (Shodan)

CVSS v3.1

9.2

CRITICAL

EPSS percentile

Exploit Prediction Scoring System · top 9% of all CVEs

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.

Timeline

Published 2026-03-03

External references

NVD MITRE Exploit-DB GitHub PoC Sploitus VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-27971

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Qwik Qwik"

All exposed Qwik Qwik instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Qwik"

HTTP body or banner mentions "Qwik" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-27971