{"id":"CVE-2026-92779","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-92779","summary":"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.…","details":"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.","published":"2026-09-16T21:17:26.827","modified":"2026-09-16T21:17:26.827","cvss":{"score":7.6,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/BuilderIO/builder"},{"type":"WEB","url":"https://github.com/BuilderIO/builder/blob/main/packages/sdks/src/functions/get-processed-block.ts#L84-L93"},{"type":"WEB","url":"https://github.com/BuilderIO/builder/blob/main/packages/sdks/src/functions/set.ts#L7-L26"},{"type":"WEB","url":"https://github.com/BuilderIO/builder/issues/4823"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/builder-io-gen2-sdks-through-5.2.11-prototype-pollution-via-bindings"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-16T21:17:26.827"}}