212 lines
8.8 KiB
JSON
212 lines
8.8 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-2026-16756",
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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": "2026-07-23T13:10:13.818Z",
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"datePublished": "2026-07-23T18:32:53.792Z",
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"dateUpdated": "2026-08-12T19:03:13.246Z"
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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": "2026-07-23T18:35:37.941Z"
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},
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"title": "Allocation of resources without limits in the default aws-smithy-http-server serve() path allows unauthenticated Slowloris denial of service",
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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-770",
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"description": "CWE-770 Allocation of resources without limits or throttling",
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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-469",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-469 HTTP DoS"
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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": "aws-smithy-http-server",
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"versions": [
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{
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"status": "affected",
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"version": "0",
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"lessThanOrEqual": "0.66.4",
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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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"cpeApplicability": [
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{
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"operator": "OR",
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:aws:aws-smithy-http-server:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "0",
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"versionEndIncluding": "0.66.4"
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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": "Missing connection and header-read timeouts and the absence of a concurrent-connection cap in the default serve() path of Amazon aws-smithy-http-server might allow remote attackers to cause a denial of service by opening many connections and sending partial requests that are never completed, exhausting server sockets and tasks.\n\n\n\nTo mitigate this issue, users should upgrade to aws-smithy-http-server 0.66.5 or later.",
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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>Missing connection and header-read timeouts and the absence of a concurrent-connection cap in the default serve() path of Amazon aws-smithy-http-server might allow remote attackers to cause a denial of service by opening many connections and sending partial requests that are never completed, exhausting server sockets and tasks.</p><p>To mitigate this issue, users should upgrade to aws-smithy-http-server 0.66.5 or later.</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://crates.io/crates/aws-smithy-http-server/0.66.5",
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"tags": [
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"release-notes",
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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/2026-064-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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"url": "https://github.com/smithy-lang/smithy-rs/security/advisories/GHSA-jvxp-qmx7-gjpx",
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"tags": [
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"release-notes"
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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": "NONE",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "HIGH",
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"baseSeverity": "HIGH",
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"baseScore": 7.5,
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
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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": "NONE",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "NONE",
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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:N/UI:N/VC:N/VI:N/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": "2026-08-12T19:03:10.789235Z",
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"id": "CVE-2026-16756",
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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": "yes"
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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": "2026-08-12T19:03:13.246Z"
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}
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}
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]
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}
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} |