npm package report

Is @builder.io/qwik-city safe?

8 known vulnerabilities, worst severity CRITICAL.

cvss
9.3

how bad it is if exploited, out of 10

epss
0.60%

chance of exploitation in the next 30 days

xyz score
4.0

CyberXYZ composite, out of 10

fig. 01 — GHSA-xqg6-98cw-gxhq, the advisory selected below

// advisories

GHSA-xqg6-98cw-gxhq

CRITICALCVE-2026-25150

A Prototype Pollution vulnerability exists in the formToObj() function within @builder.io/qwik-city middleware. The function processes form field names with dot notation (e.g., user.name) to create nested objects, but fails to sanitize dangerous property names like proto, constructor, and prototype. This allows unauthenticated attackers to pollute Object.prototype by sending crafted HTTP POST requ

Affected
< 1.19.0
Fixed in
1.19.0
Weakness
CWE-1321
Published
2026-02-03
Source
github

GHSANVDMITREreferencereference

// dependencies

0 direct

Sign in for dependency paths and remediation

// ai model usage

Tracked for PyPI packages. HuggingFace models declare Python dependencies, so npm packages are not covered.

Checked 2026-09-22 at 02:45 UTC. The most recent advisory here was published 2026-03-20. Updated continuously from NVD, GHSA, OSV and CNA feeds.

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Is @builder.io/qwik-city safe? npm package security report | CyberXYZ