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CVE-2026-92779

Builder.io Gen2 SDKs through 5.2.11 Prototype Pollution via Bindings

CVSS 4.0 7.2 HIGHCVSS 3.1 7.6 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-92779

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-92779

Published

@builder.io/sdk-react

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "BuilderIO",
                    "product": "@builder.io/sdk-react",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:npm/%40builder.io/sdk-react",
                    "versions": [
                        {
                            "version": "0",
                            "lessThanOrEqual": "5.2.11",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }

@builder.io/sdk-vue

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "BuilderIO",
                    "product": "@builder.io/sdk-vue",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:npm/%40builder.io/sdk-vue",
                    "versions": [
                        {
                            "version": "0",
                            "lessThanOrEqual": "5.2.11",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }

@builder.io/sdk-svelte

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "BuilderIO",
                    "product": "@builder.io/sdk-svelte",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:npm/%40builder.io/sdk-svelte",
                    "versions": [
                        {
                            "version": "0",
                            "lessThanOrEqual": "5.2.11",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }

@builder.io/sdk-solid

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "BuilderIO",
                    "product": "@builder.io/sdk-solid",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:npm/%40builder.io/sdk-solid",
                    "versions": [
                        {
                            "version": "0",
                            "lessThanOrEqual": "5.2.11",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }

@builder.io/sdk-qwik

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "BuilderIO",
                    "product": "@builder.io/sdk-qwik",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:npm/%40builder.io/sdk-qwik",
                    "versions": [
                        {
                            "version": "0",
                            "lessThanOrEqual": "0.25.13",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }

@builder.io/sdk-angular

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "BuilderIO",
                    "product": "@builder.io/sdk-angular",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:npm/%40builder.io/sdk-angular",
                    "versions": [
                        {
                            "version": "0",
                            "lessThanOrEqual": "0.25.13",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }

@builder.io/sdk-react-nextjs

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "BuilderIO",
                    "product": "@builder.io/sdk-react-nextjs",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:npm/%40builder.io/sdk-react-nextjs",
                    "versions": [
                        {
                            "version": "0",
                            "lessThanOrEqual": "0.25.13",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON