269 lines
11 KiB
JSON
269 lines
11 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-92781",
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"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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"state": "PUBLISHED",
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"assignerShortName": "VulnCheck",
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"dateReserved": "2026-09-16T19:22:53.825Z",
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"datePublished": "2026-09-16T20:32:38.923Z",
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"dateUpdated": "2026-09-21T15:50:13.299Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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"shortName": "VulnCheck",
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"dateUpdated": "2026-09-16T20:32:38.923Z"
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},
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"datePublic": "2026-08-25T00:00:00.000Z",
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"title": "Builder.io Gen2 SDKs through 5.2.11 Prototype Pollution via builder.userAttributes",
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"descriptions": [
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{
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"lang": "en",
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"value": "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."
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"description": "Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')",
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"cweId": "CWE-1321",
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"type": "CWE"
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}
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]
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}
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],
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"affected": [
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{
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"vendor": "BuilderIO",
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"product": "@builder.io/sdk-react",
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"defaultStatus": "unaffected",
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"packageURL": "pkg:npm/%40builder.io/sdk-react",
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"versions": [
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{
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"version": "0",
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"lessThanOrEqual": "5.2.11",
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"status": "affected",
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"versionType": "semver"
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}
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]
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},
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{
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"vendor": "BuilderIO",
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"product": "@builder.io/sdk-vue",
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"defaultStatus": "unaffected",
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"packageURL": "pkg:npm/%40builder.io/sdk-vue",
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"versions": [
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{
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"version": "0",
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"lessThanOrEqual": "5.2.11",
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"status": "affected",
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"versionType": "semver"
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}
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]
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},
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{
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"vendor": "BuilderIO",
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"product": "@builder.io/sdk-svelte",
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"defaultStatus": "unaffected",
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"packageURL": "pkg:npm/%40builder.io/sdk-svelte",
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"versions": [
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{
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"version": "0",
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"lessThanOrEqual": "5.2.11",
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"status": "affected",
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"versionType": "semver"
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}
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]
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},
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{
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"vendor": "BuilderIO",
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"product": "@builder.io/sdk-solid",
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"defaultStatus": "unaffected",
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"packageURL": "pkg:npm/%40builder.io/sdk-solid",
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"versions": [
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{
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"version": "0",
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"lessThanOrEqual": "5.2.11",
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"status": "affected",
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"versionType": "semver"
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}
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]
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},
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{
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"vendor": "BuilderIO",
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"product": "@builder.io/sdk-qwik",
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"defaultStatus": "unaffected",
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"packageURL": "pkg:npm/%40builder.io/sdk-qwik",
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"versions": [
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{
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"version": "0",
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"lessThanOrEqual": "0.25.13",
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"status": "affected",
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"versionType": "semver"
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}
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]
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},
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{
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"vendor": "BuilderIO",
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"product": "@builder.io/sdk-angular",
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"defaultStatus": "unaffected",
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"packageURL": "pkg:npm/%40builder.io/sdk-angular",
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"versions": [
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{
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"version": "0",
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"lessThanOrEqual": "0.25.13",
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"status": "affected",
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"versionType": "semver"
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}
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]
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},
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{
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"vendor": "BuilderIO",
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"product": "@builder.io/sdk-react-nextjs",
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"defaultStatus": "unaffected",
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"packageURL": "pkg:npm/%40builder.io/sdk-react-nextjs",
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"versions": [
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{
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"version": "0",
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"lessThanOrEqual": "0.25.13",
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"status": "affected",
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"versionType": "semver"
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}
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]
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}
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],
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"metrics": [
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{
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"format": "CVSS",
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"cvssV4_0": {
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"version": "4.0",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"privilegesRequired": "NONE",
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"userInteraction": "PASSIVE",
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"vulnConfidentialityImpact": "LOW",
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"vulnIntegrityImpact": "LOW",
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"vulnAvailabilityImpact": "LOW",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"subAvailabilityImpact": "NONE",
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"baseScore": 5.3,
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"baseSeverity": "MEDIUM"
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}
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},
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{
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"format": "CVSS",
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "NONE",
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"userInteraction": "REQUIRED",
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"scope": "UNCHANGED",
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"confidentialityImpact": "LOW",
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"integrityImpact": "LOW",
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"availabilityImpact": "LOW",
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"baseScore": 6.3,
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"baseSeverity": "MEDIUM"
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}
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}
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],
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"references": [
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{
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"url": "https://github.com/BuilderIO/builder/issues/4824",
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"tags": [
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"issue-tracking"
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],
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"name": "GitHub Issue #4824"
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},
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{
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"url": "https://github.com/BuilderIO/builder",
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"tags": [
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"product"
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]
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},
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{
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"url": "https://github.com/BuilderIO/builder/blob/main/packages/sdks/src/functions/get-content/generate-content-url.ts",
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"tags": [
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"technical-description"
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],
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"name": "builder.userAttributes parameters are expanded through unflatten"
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},
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{
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"url": "https://github.com/BuilderIO/builder/blob/main/packages/sdks/src/helpers/flatten.ts#L60-L76",
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"tags": [
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"technical-description"
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],
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"name": "unflatten walks the dotted key path with no prototype guard"
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},
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{
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"name": "VulnCheck Advisory: Builder.io Gen2 SDKs through 5.2.11 Prototype Pollution via builder.userAttributes",
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"tags": [
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"third-party-advisory"
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],
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"url": "https://www.vulncheck.com/advisories/builder-io-gen2-sdks-through-5.2.11-prototype-pollution-via-builder-userattributes"
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "George Chen",
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"type": "finder"
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}
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],
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"x_generator": {
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"engine": "vulncheck-endgame"
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}
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},
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"adp": [
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{
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"references": [
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{
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"url": "https://github.com/BuilderIO/builder/issues/4824",
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"tags": [
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"exploit"
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]
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}
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],
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-09-21T15:50:07.571574Z",
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"id": "CVE-2026-92781",
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"options": [
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{
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"Exploitation": "poc"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-09-21T15:50:13.299Z"
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}
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}
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]
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}
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} |