CVE-2026-92781
Last modified
CVE-2026-92781 is a medium-severity vulnerability rated 6.3/10 on the CVSS scale. 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..
Description
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.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| BuilderIO | @builder.io/sdk-react | <= 5.2.11 |
| BuilderIO | @builder.io/sdk-vue | <= 5.2.11 |
| BuilderIO | @builder.io/sdk-svelte | <= 5.2.11 |
| BuilderIO | @builder.io/sdk-solid | <= 5.2.11 |
| BuilderIO | @builder.io/sdk-qwik | <= 0.25.13 |
| BuilderIO | @builder.io/sdk-angular | <= 0.25.13 |
| BuilderIO | @builder.io/sdk-react-nextjs | <= 0.25.13 |
References
Timeline
- Published
- Last Modified
- Status
- Received
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