{"id":"CVE-2026-92779","title":"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","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. Attackers can craft content blocks with bindin…","severity":"high","cvss":7.6,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L","cwe":["CWE-1321"],"vendor":"BuilderIO","product":"@builder.io/sdk-react","affected":["@builder.io/sdk-react <= 5.2.11","@builder.io/sdk-vue <= 5.2.11","@builder.io/sdk-svelte <= 5.2.11","@builder.io/sdk-solid <= 5.2.11","@builder.io/sdk-qwik <= 0.25.13","@builder.io/sdk-angular <= 0.25.13","@builder.io/sdk-react-nextjs <= 0.25.13"],"published":"2026-09-16","updated":"2026-09-17","sourceUpdated":"2026-09-17T20:18:57.833","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-92779","references":[{"url":"https://github.com/BuilderIO/builder","label":"disclosure@vulncheck.com"},{"url":"https://github.com/BuilderIO/builder/blob/main/packages/sdks/src/functions/get-processed-block.ts#L84-L93","label":"disclosure@vulncheck.com"},{"url":"https://github.com/BuilderIO/builder/blob/main/packages/sdks/src/functions/set.ts#L7-L26","label":"disclosure@vulncheck.com"},{"url":"https://github.com/BuilderIO/builder/issues/4823","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/builder-io-gen2-sdks-through-5.2.11-prototype-pollution-via-bindings","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-17T19:16:56.428687Z"},"ingestedAt":"2026-09-16T21:05:36.890Z","epss":0.0035,"epssPercentile":0.28712,"slug":"CVE-2026-92779","body":"## Overview\n\nBuilder.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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":41.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}