Critical severity9.8NVD Advisory· Published Mar 3, 2026· Updated Jun 17, 2026
CVE-2026-27971
CVE-2026-27971
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
@builder.io/qwiknpm | < 1.19.1 | 1.19.1 |
Affected products
3Patches
Vulnerability mechanics
References
4News mentions
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