Vulnerability Description
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 Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/BuilderIO/builder
- https://github.com/BuilderIO/builder/blob/main/packages/sdks/src/functions/get-p
- https://github.com/BuilderIO/builder/blob/main/packages/sdks/src/functions/set.t
- https://github.com/BuilderIO/builder/issues/4823
- https://www.vulncheck.com/advisories/builder-io-gen2-sdks-through-5.2.11-prototy
FAQ
What is CVE-2026-92779?
CVE-2026-92779 is a vulnerability with a CVSS score of 7.6 (HIGH). 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...
How severe is CVE-2026-92779?
CVE-2026-92779 has been rated HIGH with a CVSS base score of 7.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-92779?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.