# Builder.io vulnerabilities

Source: https://junglewise.ai/threats/vendors/builder-io  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/builder-io.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 7 vulnerabilities in Builder.io: 0 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-84994, was published on 15 October 2026. 1 vulnerability in the last four weeks, down 50% on the four before (2). 1 technology has a page of its own.

## Counts

- Last 7 days: 0
- Last 30 days: 1
- Last 90 days: 3
- All time: 7 (0 critical, 0 exploited in the wild)

## About Builder.io

Builder.io is a visual development platform for creating web applications and content.

## Latest Builder.io vulnerabilities

- [CVE-2026-84994: Qwik server denial of service via malformed Resource thenable](https://junglewise.ai/threats/cve-2026-84994-qwik-crashing-any-qwik-server-via-resource-thenable) (high, CVSS 4, published 15 Oct 2026)
- [CVE-2026-92781: Builder.io Gen2 SDKs prototype pollution in unflatten helper](https://junglewise.ai/threats/cve-2026-92781-builder-io-gen2-sdks-prototype-pollution-in-unflatten-helper) (medium, CVSS 6.3, published 16 Sep 2026)
- [CVE-2026-92779: Builder.io Gen2 SDKs prototype pollution in deep-set helper](https://junglewise.ai/threats/cve-2026-92779-builder-io-gen2-sdks-prototype-pollution-in-deep-set-helper) (high, CVSS 7.6, published 16 Sep 2026)
- [CVE-2026-32701: Builder.io Qwik City array method pollution in FormData parsing](https://junglewise.ai/threats/cve-2026-32701-builder-io-qwik-city-array-method-pollution-in-formdata-parsing) (low, CVSS 3.1, published 20 Mar 2026)
- [CVE-2026-25149: Qwik City open redirect in fixTrailingSlash middleware](https://junglewise.ai/threats/cve-2026-25149-qwik-city-open-redirect-in-fixtrailingslash-middleware) (medium, CVSS 4, published 3 Feb 2026)
- [CVE-2026-25150: Builder.io Qwik City prototype pollution in form processing](https://junglewise.ai/threats/cve-2026-25150-builder-io-qwik-city-prototype-pollution-in-form-processing) (low, CVSS 3.1, published 3 Feb 2026)
- [CVE-2023-2307: Builder.io qwik-city cross-site request forgery](https://junglewise.ai/threats/cve-2023-2307-builder-io-qwik-city-cross-site-request-forgery) (low, CVSS 3, published 26 Apr 2023)

## Most severe Builder.io vulnerabilities

- [CVE-2026-92779: Builder.io Gen2 SDKs prototype pollution in deep-set helper](https://junglewise.ai/threats/cve-2026-92779-builder-io-gen2-sdks-prototype-pollution-in-deep-set-helper) (high, CVSS 7.6, published 16 Sep 2026)
- [CVE-2026-84994: Qwik server denial of service via malformed Resource thenable](https://junglewise.ai/threats/cve-2026-84994-qwik-crashing-any-qwik-server-via-resource-thenable) (high, CVSS 4, published 15 Oct 2026)
- [CVE-2026-92781: Builder.io Gen2 SDKs prototype pollution in unflatten helper](https://junglewise.ai/threats/cve-2026-92781-builder-io-gen2-sdks-prototype-pollution-in-unflatten-helper) (medium, CVSS 6.3, published 16 Sep 2026)
- [CVE-2026-25149: Qwik City open redirect in fixTrailingSlash middleware](https://junglewise.ai/threats/cve-2026-25149-qwik-city-open-redirect-in-fixtrailingslash-middleware) (medium, CVSS 4, published 3 Feb 2026)
- [CVE-2026-25150: Builder.io Qwik City prototype pollution in form processing](https://junglewise.ai/threats/cve-2026-25150-builder-io-qwik-city-prototype-pollution-in-form-processing) (low, CVSS 3.1, published 3 Feb 2026)
- [CVE-2026-32701: Builder.io Qwik City array method pollution in FormData parsing](https://junglewise.ai/threats/cve-2026-32701-builder-io-qwik-city-array-method-pollution-in-formdata-parsing) (low, CVSS 3.1, published 20 Mar 2026)
- [CVE-2023-2307: Builder.io qwik-city cross-site request forgery](https://junglewise.ai/threats/cve-2023-2307-builder-io-qwik-city-cross-site-request-forgery) (low, CVSS 3, published 26 Apr 2023)

## Vulnerabilities per week

1 vulnerability in the last four weeks, down 50% on the four before (2).

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 2 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 1 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Builder.io technologies

- [Builder.io Qwik-City](https://junglewise.ai/threats/technologies/qwik-city): 5 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Builder.io vulnerabilities", https://junglewise.ai/threats/vendors/builder-io, 9 November 2026.