214 lines
8.6 KiB
JSON
214 lines
8.6 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-2026-121966",
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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": "2026-11-04T12:48:39.813Z",
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"datePublished": "2026-11-04T15:33:28.106Z",
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"dateUpdated": "2026-11-04T18:17:29.572Z"
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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": "2026-11-04T15:33:28.106Z"
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},
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"datePublic": "2026-10-21T00:00:00.000Z",
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"title": "Traefik before 2.11.60 and 3.7.16 ForwardAuth NTLM/Negotiate Identity Leak",
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"descriptions": [
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{
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"lang": "en",
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"value": "Traefik 2.x before 2.11.60 and 3.x before 3.7.16 sends ForwardAuth subrequests (and, in 3.7, Ingress NGINX auth-url requests) through an auth-server connection pool shared by all clients, exposing connection-bound NTLM or Negotiate authentication. An unauthenticated attacker can reuse another user's authenticated connection, receiving the victim's identity via authResponseHeaders to access backends as that user."
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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": "Exposure of Data Element to Wrong Session",
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"cweId": "CWE-488",
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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": "traefik",
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"product": "traefik",
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"defaultStatus": "unaffected",
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"packageURL": "pkg:golang/github.com/traefik/traefik/v2",
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"versions": [
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{
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"version": "0",
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"status": "affected",
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"versionType": "semver",
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"lessThan": "2.11.60"
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},
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{
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"version": "2.11.60",
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"status": "unaffected",
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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": "traefik",
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"product": "traefik",
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"defaultStatus": "unaffected",
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"packageURL": "pkg:golang/github.com/traefik/traefik/v3",
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"versions": [
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{
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"version": "3.0.0",
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"status": "affected",
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"versionType": "semver",
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"lessThan": "3.7.16"
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},
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{
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"version": "3.7.16",
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"status": "unaffected",
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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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"cpeApplicability": [
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{
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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:traefik:traefik:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "2.11.60"
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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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"nodes": [
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"versionStartIncluding": "3.0.0",
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"versionEndExcluding": "3.7.16"
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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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"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:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"attackRequirements": "PRESENT",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "NONE",
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"vulnAvailabilityImpact": "NONE",
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"subConfidentialityImpact": "HIGH",
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"subIntegrityImpact": "HIGH",
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"subAvailabilityImpact": "NONE",
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"baseScore": 7,
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"baseSeverity": "HIGH"
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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:H/PR:N/UI:N/S:C/C:H/I:H/A:N",
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"attackVector": "NETWORK",
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"attackComplexity": "HIGH",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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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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"baseScore": 8.7,
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"baseSeverity": "HIGH"
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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/traefik/traefik/security/advisories/GHSA-hrpp-p4fc-wwf8",
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"tags": [
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"vendor-advisory"
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],
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"name": "GitHub Security Advisory (GHSA-hrpp-p4fc-wwf8)"
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},
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{
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"name": "VulnCheck Advisory: Traefik before 2.11.60 and 3.7.16 ForwardAuth NTLM/Negotiate Identity Leak",
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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/traefik-before-2.11.60-and-3.7.16-forwardauth-ntlm-negotiate-identity-leak"
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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": "mosafariuk",
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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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"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": "2026-11-04T18:13:59.569753Z",
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"id": "CVE-2026-121966",
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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": "2026-11-04T18:17:29.572Z"
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}
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}
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]
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}
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} |