220 lines
8.7 KiB
JSON
220 lines
8.7 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-2026-93921",
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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": "2026-09-18T21:56:59.671Z",
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"datePublished": "2026-09-18T23:12:07.789Z",
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"dateUpdated": "2026-09-21T14:10:37.585Z"
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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": "2026-09-18T23:12:07.789Z"
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},
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"datePublic": "2026-09-18T00:00:00.000Z",
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"title": "SiYuan through 3.8.4 Access Control Bypass via Dynamic Icon Endpoint",
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"descriptions": [
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{
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"lang": "en",
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"value": "SiYuan versions through 3.8.4 fail to enforce publish access control in the getDynamicIcon endpoint, allowing read-only token holders to access document metadata. Attackers can call the endpoint with type=8 and crafted content to read block titles, names, aliases, and hierarchical paths of restricted documents via template injection."
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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": "Missing Authorization",
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"cweId": "CWE-862",
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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": "siyuan-note",
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"product": "siyuan",
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"packageName": "github.com/siyuan-note/siyuan/kernel",
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"collectionURL": "https://pkg.go.dev",
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"packageURL": "pkg:golang/github.com/siyuan-note/siyuan/kernel",
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"defaultStatus": "unaffected",
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"versions": [
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{
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"version": "0",
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"lessThanOrEqual": "3.8.4",
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"status": "affected",
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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:b3log:siyuan:*:*:*:*:*:*:*:*",
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"versionEndIncluding": "3.8.4"
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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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"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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"version": "4.0",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
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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": "NONE",
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"vulnConfidentialityImpact": "LOW",
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"vulnIntegrityImpact": "NONE",
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"vulnAvailabilityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"subAvailabilityImpact": "NONE",
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"baseScore": 5.3,
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"baseSeverity": "MEDIUM"
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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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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "LOW",
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"integrityImpact": "NONE",
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"availabilityImpact": "NONE",
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"baseScore": 4.3,
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"baseSeverity": "MEDIUM"
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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/siyuan-note/siyuan/security/advisories/GHSA-whcx-xxqh-c838",
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"tags": [
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"vendor-advisory"
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],
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"name": "GitHub Security Advisory (GHSA-whcx-xxqh-c838)"
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},
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{
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"url": "https://github.com/siyuan-note/siyuan",
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"tags": [
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"product"
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]
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},
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{
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"url": "https://github.com/siyuan-note/siyuan/blob/v3.8.4/kernel/api/router.go#L51",
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"tags": [
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"technical-description"
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]
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},
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{
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"url": "https://github.com/siyuan-note/siyuan/blob/v3.8.4/kernel/model/template.go#L485-L526",
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"tags": [
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"technical-description"
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]
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},
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{
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"url": "https://github.com/siyuan-note/siyuan/blob/v3.8.4/kernel/api/icon.go#L546-L549",
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"tags": [
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"technical-description"
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]
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},
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{
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"name": "VulnCheck Advisory: SiYuan through 3.8.4 Access Control Bypass via Dynamic Icon Endpoint",
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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/siyuan-through-3.8.4-access-control-bypass-via-dynamic-icon-endpoint"
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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": "EVIL0RD",
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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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"references": [
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{
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"url": "https://github.com/siyuan-note/siyuan/security/advisories/GHSA-whcx-xxqh-c838",
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"tags": [
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"exploit"
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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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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-09-21T14:10:30.546665Z",
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"id": "CVE-2026-93921",
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"options": [
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{
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"Exploitation": "poc"
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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": "2026-09-21T14:10:37.585Z"
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}
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}
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]
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}
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} |