CVE-2026-92781: Builder.io Gen2 SDKs through 5.2.11 Prototype Pollution via builder.userAttributes
BuilderIO · @builder.io/sdk-react
Affected: BuilderIO @builder.io/sdk-react · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 30% of scored CVEs
DescriptionCVE.org
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.
Affected products7
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- BuilderIO · @builder.io/sdk-reactup to and including 5.2.11
- BuilderIO · @builder.io/sdk-vueup to and including 5.2.11
- BuilderIO · @builder.io/sdk-svelteup to and including 5.2.11
- BuilderIO · @builder.io/sdk-solidup to and including 5.2.11
- BuilderIO · @builder.io/sdk-qwikup to and including 0.25.13
- BuilderIO · @builder.io/sdk-angularup to and including 0.25.13
- BuilderIO · @builder.io/sdk-react-nextjsup to and including 0.25.13
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- BuilderIO
- Published
- September 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-92781 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.