236 lines
9.9 KiB
JSON
236 lines
9.9 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-2026-84942",
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"assignerOrgId": "ff89ba41-3aa1-4d27-914a-91399e9639e5",
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"state": "PUBLISHED",
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"assignerShortName": "AMZN",
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"dateReserved": "2026-09-02T16:47:56.353Z",
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"datePublished": "2026-09-08T19:41:25.224Z",
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"dateUpdated": "2026-09-09T20:51:34.759Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "ff89ba41-3aa1-4d27-914a-91399e9639e5",
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"shortName": "AMZN",
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"dateUpdated": "2026-09-08T19:41:25.224Z"
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},
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"title": "Stored Cross-Site Scripting via Vega Expression Function Bypass in OpenSearch Dashboards",
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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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"cweId": "CWE-79",
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"description": "CWE-79 Improper neutralization of input during web page generation ('cross-site scripting')",
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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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"impacts": [
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{
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"capecId": "CAPEC-592",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-592 Stored XSS"
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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": "AWS",
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"product": "Amazon OpenSearch Service",
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"versions": [
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{
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"status": "unaffected",
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"version": "v2.3.0",
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"lessThanOrEqual": "v3.5.0",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unaffected"
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},
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{
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"vendor": "OpenSearch",
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"product": "OpenSearch Dashboards",
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"versions": [
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{
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"status": "affected",
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"version": "v2.0.0",
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"lessThanOrEqual": "v3.5.0",
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"versionType": "custom"
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}
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],
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}
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],
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{
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"operator": "OR",
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"nodes": [
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"versionStartIncluding": "v2.3.0",
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"versionEndIncluding": "v3.5.0"
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}
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]
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},
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{
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"operator": "OR",
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"versionStartIncluding": "v2.0.0",
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"versionEndIncluding": "v3.5.0"
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}
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]
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}
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]
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "Improper input validation in the Vega expression function implementation in OpenSearch Dashboards allows a remote authenticated actor with dashboard write permissions to execute arbitrary JavaScript in the context of other users' browser sessions by saving a crafted Vega visualization. The checkForFunctionProperty validation routine failed to recurse into arrays of objects, allowing a function property nested inside an array to bypass validation.",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "<p>Improper input validation in the Vega expression function implementation in OpenSearch Dashboards allows a remote authenticated actor with dashboard write permissions to execute arbitrary JavaScript in the context of other users' browser sessions by saving a crafted Vega visualization. The checkForFunctionProperty validation routine failed to recurse into arrays of objects, allowing a function property nested inside an array to bypass validation.</p>"
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}
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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/opensearch-project/OpenSearch-Dashboards/releases/tag/3.6.0",
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"tags": [
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"patch"
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]
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},
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{
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"url": "https://github.com/opensearch-project/OpenSearch-Dashboards/releases/tag/2.19.5",
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"tags": [
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"patch"
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]
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},
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{
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"url": "https://aws.amazon.com/security/security-bulletins/2026-102-aws/",
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"tags": [
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"vendor-advisory"
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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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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"cvssV3_1": {
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"version": "3.1",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "LOW",
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"userInteraction": "REQUIRED",
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"scope": "CHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"availabilityImpact": "NONE",
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"baseSeverity": "HIGH",
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"baseScore": 8.7,
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N"
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}
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},
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{
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"cvssV4_0": {
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"privilegesRequired": "LOW",
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"userInteraction": "PASSIVE",
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"vulnConfidentialityImpact": "NONE",
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"subConfidentialityImpact": "HIGH",
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"vulnIntegrityImpact": "NONE",
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"subIntegrityImpact": "HIGH",
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"vulnAvailabilityImpact": "NONE",
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"subAvailabilityImpact": "NONE",
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"exploitMaturity": "NOT_DEFINED",
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"Safety": "NOT_DEFINED",
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"Automatable": "NOT_DEFINED",
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"Recovery": "NOT_DEFINED",
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"valueDensity": "NOT_DEFINED",
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"vulnerabilityResponseEffort": "NOT_DEFINED",
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"providerUrgency": "NOT_DEFINED",
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"version": "4.0",
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"baseSeverity": "MEDIUM",
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"baseScore": 6.3,
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N"
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}
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}
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],
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"source": {
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"discovery": "UNKNOWN"
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},
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"x_generator": {
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"engine": "Vulnogram 1.0.5"
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}
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},
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"adp": [
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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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"id": "CVE-2026-84942",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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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": "total"
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}
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],
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"version": "2.0.3",
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"timestamp": "2026-09-09T20:45:08.722192Z"
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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": "2026-09-09T20:51:34.759Z"
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}
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}
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]
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}
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} |