234 lines
11 KiB
JSON
234 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-2026-23919",
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"assignerOrgId": "72de3e22-0555-4a0d-ae81-9249e0f0a1e8",
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"state": "PUBLISHED",
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"assignerShortName": "Zabbix",
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"dateReserved": "2026-01-19T14:02:54.327Z",
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"datePublished": "2026-03-24T18:26:43.877Z",
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"dateUpdated": "2026-04-22T07:06:32.148Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "72de3e22-0555-4a0d-ae81-9249e0f0a1e8",
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"shortName": "Zabbix",
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"dateUpdated": "2026-04-22T07:06:32.148Z"
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},
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"title": "Insufficient isolation of JavaScript (Duktape) execution context on Zabbix Server",
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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-488",
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"description": "CWE-488: Exposure of Data Element to Wrong Session",
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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-124",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-124: Shared Resource Manipulation"
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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": "Zabbix",
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"product": "Zabbix",
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"repo": "https://git.zabbix.com/",
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"modules": [
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"Server",
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"Proxy"
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],
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"versions": [
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{
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"status": "affected",
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"version": "6.0.0",
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"lessThanOrEqual": "6.0.41",
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"changes": [
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{
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"at": "6.0.42",
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"status": "unaffected"
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}
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],
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"versionType": "git"
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},
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{
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"status": "affected",
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"version": "7.0.0",
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"lessThanOrEqual": "7.0.18",
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"changes": [
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{
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"at": "7.0.19",
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"status": "unaffected"
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}
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],
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"versionType": "git"
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},
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{
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"status": "affected",
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"version": "7.2.0",
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"lessThanOrEqual": "7.2.12",
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"changes": [
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{
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"at": "7.2.13",
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"status": "unaffected"
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}
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],
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"versionType": "git"
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},
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{
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"status": "affected",
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"version": "7.4.0",
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"lessThanOrEqual": "7.4.2",
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"changes": [
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{
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"at": "7.4.3",
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"status": "unaffected"
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}
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],
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"versionType": "git"
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}
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],
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"defaultStatus": "unknown"
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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": "For performance reasons Zabbix Server/Proxy reuses JavaScript (Duktape) contexts (used in script items, JavaScript reprocessing, Webhooks). This can lead to confidentiality loss where a regular (non-super) Zabbix administrator leaks data for hosts they do not have access to. A fix has been released that makes the built in Zabbix JavaScript objects read-only, but please be advised that usage of global JavaScript variables is not recommended because their content could be leaked. More information <a href='https://www.zabbix.com/documentation/7.4/en/manual/installation/known_issues#preprocessing-global-variables-are-unsafe'>in Zabbix documentation</a>.",
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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>For performance reasons Zabbix Server/Proxy reuses JavaScript (Duktape) contexts (used in script items, JavaScript reprocessing, Webhooks). This can lead to confidentiality loss where a regular (non-super) Zabbix administrator leaks data for hosts they do not have access to. A fix has been released that makes the built in Zabbix JavaScript objects read-only, but please be advised that usage of global JavaScript variables is not recommended because their content could be leaked. More information <a href='https://www.zabbix.com/documentation/7.4/en/manual/installation/known_issues#preprocessing-global-variables-are-unsafe'>in Zabbix documentation</a>.</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://support.zabbix.com/browse/ZBX-27638"
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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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"cvssV4_0": {
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"attackVector": "ADJACENT",
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"attackComplexity": "LOW",
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"attackRequirements": "PRESENT",
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"privilegesRequired": "HIGH",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "HIGH",
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"subConfidentialityImpact": "HIGH",
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"vulnIntegrityImpact": "LOW",
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"subIntegrityImpact": "LOW",
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"vulnAvailabilityImpact": "LOW",
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"subAvailabilityImpact": "LOW",
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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": 7.1,
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"vectorString": "CVSS:4.0/AV:A/AC:L/AT:P/PR:H/UI:N/VC:H/VI:L/VA:L/SC:H/SI:L/SA:L"
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}
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}
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],
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"configurations": [
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{
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"lang": "en",
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"value": "A regular Zabbix administrator (non-super) can overwrite some built in JavaScript functions that are then executed for other objects. Alternatively, a regular Zabbix administrator can read global JavaScript variables.",
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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>A regular Zabbix administrator (non-super) can overwrite some built in JavaScript functions that are then executed for other objects. Alternatively, a regular Zabbix administrator can read global JavaScript variables.</p>"
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}
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]
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}
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],
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"solutions": [
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{
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"lang": "en",
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"value": "Update the affected components to their respective fixed versions. Make sure JavaScript item preprocessing scripts don't store secret data in global variables.",
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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>Update the affected components to their respective fixed versions. Make sure JavaScript item preprocessing scripts don't store secret data in global variables.</p>"
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}
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]
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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": "Zabbix wants to thank Yerdan (big_john) for submitting this report on the HackerOne bug bounty platform.",
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"type": "reporter"
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}
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],
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"source": {
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"discovery": "EXTERNAL"
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},
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"x_generator": {
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"engine": "Vulnogram 1.0.1"
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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": "2026-03-24T18:36:08.999862Z",
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"id": "CVE-2026-23919",
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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": "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": "2026-03-24T18:36:16.860Z"
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}
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}
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]
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}
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} |