AUGUST 4, 2026
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Case File

CVE-2026-27971

CRITICAL · CVSS 9.8 EPSS 5.42% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-03-03 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. It affects Java. Public exploit code or proof-of-concept references have been detected in its references. Exploitation may require the attacker to be authenticated.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-27971
Severity
CRITICAL
CVSS
9.8
EPSS
5.42%
Java

Original NVD 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.

Related CVEs

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