@builder.io @builder.io/sdk-svelte vulnerabilities
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Published CVEs affecting @builder.io @builder.io/sdk-svelte: 2 record(s), with affected versions and fixes.
CVE-2026-92781
Medium · 6.3
CWE-1321 Sep 16, 2026
Builder.io Gen2 SDKs through 5.2.11 Prototype Pollution via builder.userAttributes
Builder.io Gen2 SDKs through versions 5.2.11 and 0.25.13 contain a prototype pollution vulnerability in the unflatten helper that processes builder.userAttributes query parameters without prototype guards. Attackers can craft preview links with __proto__ or prototype segments to pollute Object.prototype in a visitor's browser when the SDK processes the malicious URL.
CVE-2026-92779
High · 7.6
CWE-1321 Sep 16, 2026
Builder.io Gen2 SDKs through 5.2.11 Prototype Pollution via Bindings
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.