CVE-2026-27971

CVE Enrichment

CVSS: 9.2 CRITICAL
EPSS: 5.48%
EPSS Percentile: 92.81%
CISA KEV: Not listed

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.

Technical Details

CVSS Version: 4.0
CNA / NVD Source: [email protected]
Published: 04-Mar-2026 06:15
Last Modified: 17-Jun-2026 17:27
EPSS Date: 2026-11-07
CWE: CWE-502

CVSS 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 /
                            E:X /
                            CR:X /
                            IR:X /
                            AR:X /
                            MAV:X /
                            MAC:X /
                            MAT:X /
                            MPR:X /
                            MUI:X /
                            MVC:X /
                            MVI:X /
                            MVA:X /
                            MSC:X /
                            MSI:X /
                            MSA:X /
                            S:X /
                            AU:X /
                            R:X /
                            V:X /
                            RE:X /
                            U:X

CNA Products / Version Status

QwikDev · qwik Source: CNA · [email protected]
Default status: unknown

< 1.19.1 — affected

Affected Products / Versions

qwik / qwik Source: NVD CPE · affected
Version / affected range: * · before (exclusive) 1.19.1
cpe:2.3:a:qwik:qwik:*:*:*:*:*:node.js:*:*

References

[email protected]

Last enrichment sync: 08-Nov-2026 13:28
Sources: NVD · FIRST EPSS · CISA KEV
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Reported Context (1)

CVE-2026-27971 — Qwik Framework (Critical) Cyble Tracks 1,641 Vulnerabilities, Including Critical IT and ICS Flaws

CVE (10)

MITRE ATT&CK (5)

Vendors (11)

Products (7)

Industries (2)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.