CVE-2026-92779
highBuilder.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 blo…
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/BuilderIO/builder disclosure@vulncheck.com
- https://github.com/BuilderIO/builder/blob/main/packages/sdks/src/functions/get-processed-b... disclosure@vulncheck.com
- https://github.com/BuilderIO/builder/blob/main/packages/sdks/src/functions/set.ts#L7-L26 disclosure@vulncheck.com
- https://github.com/BuilderIO/builder/issues/4823 disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/builder-io-gen2-sdks-through-5.2.11-prototype-polluti... disclosure@vulncheck.com