---
id: CVE-2026-92779
title: >-
  Builder.io Gen2 SDKs through versions 5.2.11 and 0.25.13 contain a prototype
  pollution vulnerability in the deep-set helper function that processes content
  block bindings without validation
summary: >-
  Builder.io Gen2 SDKs through versions 5.2.11 and 0.25.13 contain a prototype
  pollution vulnerability in the deep-set helper function that processes content
  block bindings without validation. Attackers can craft content blocks with
  bindin…
severity: high
cvss: 7.6
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L'
cwe:
  - CWE-1321
vendor: BuilderIO
product: '@builder.io/sdk-react'
affected:
  - '@builder.io/sdk-react <= 5.2.11'
  - '@builder.io/sdk-vue <= 5.2.11'
  - '@builder.io/sdk-svelte <= 5.2.11'
  - '@builder.io/sdk-solid <= 5.2.11'
  - '@builder.io/sdk-qwik <= 0.25.13'
  - '@builder.io/sdk-angular <= 0.25.13'
  - '@builder.io/sdk-react-nextjs <= 0.25.13'
published: '2026-09-16'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T21:08:55.030'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-92779'
references:
  - url: 'https://github.com/BuilderIO/builder'
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/BuilderIO/builder/blob/main/packages/sdks/src/functions/get-processed-block.ts#L84-L93
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/BuilderIO/builder/blob/main/packages/sdks/src/functions/set.ts#L7-L26
    label: disclosure@vulncheck.com
  - url: 'https://github.com/BuilderIO/builder/issues/4823'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/builder-io-gen2-sdks-through-5.2.11-prototype-pollution-via-bindings
    label: disclosure@vulncheck.com
tags:
  - nvd
  - cve.org
epss: 0.00491
epssPercentile: 0.39524
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-17T19:16:56.428687Z'
ingestedAt: '2026-09-16T21:05:36.890Z'
---

## Overview

Builder.io Gen2 SDKs through versions 5.2.11 and 0.25.13 contain a prototype pollution vulnerability in the deep-set helper function that processes content block bindings without validation. Attackers can craft content blocks with binding keys containing __proto__, prototype, or constructor paths to pollute Object.prototype during rendering, affecting all subsequent objects created in the process including other tenants' renders.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.