236 lines
9.8 KiB
JSON
236 lines
9.8 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-2026-18420",
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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": "2026-07-30T18:11:08.464Z",
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"datePublished": "2026-08-20T20:40:40.709Z",
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"dateUpdated": "2026-08-25T19:19:07.471Z"
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"shortName": "AMZN",
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"dateUpdated": "2026-08-20T20:40:40.709Z"
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},
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"title": "RCE via Prototype Pollution 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-1321",
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"description": "CWE-1321 Improperly controlled modification of object prototype attributes ('prototype pollution')",
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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-586",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-586 Object Injection"
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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": "affected",
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"version": "3.0.0",
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"lessThan": "3.8.0",
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}
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],
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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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{
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"status": "affected",
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"version": "3.0.0",
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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 Time Series Visual Builder (TSVB) plugin in OpenSearch Dashboards allows an authenticated remote user to execute arbitrary code on the server via a crafted JSON payload to the metrics visualization API endpoint. This issue is a form of prototype pollution that enables remote code execution. \n\n\n\nTo remediate this issue, users should upgrade to OpenSearch Dashboards 3.8 or later.",
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"supportingMedia": [
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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/3.8.0",
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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/security/advisories/GHSA-xmqx-xq2p-8jq2",
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"tags": [
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"third-party-advisory"
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},
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{
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"url": "https://aws.amazon.com/security/security-bulletins/2026-085-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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"format": "CVSS",
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"version": "3.1",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"integrityImpact": "HIGH",
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"availabilityImpact": "HIGH",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
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{
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"lang": "en",
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"value": "GENERAL"
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}
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"userInteraction": "NONE",
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"subConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "HIGH",
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"subIntegrityImpact": "NONE",
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"vulnAvailabilityImpact": "HIGH",
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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": "HIGH",
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"baseScore": 8.7,
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/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 1.0.4"
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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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"timestamp": "2026-08-25T19:18:58.456470Z",
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"id": "CVE-2026-18420",
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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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"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": "2026-08-25T19:19:07.471Z"
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}
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}
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]
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}
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} |