365 lines
16 KiB
JSON
365 lines
16 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-2026-74994",
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"state": "PUBLISHED",
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"dateReserved": "2026-08-17T13:00:01.418Z",
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"datePublished": "2026-09-01T14:45:57.537Z",
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"product": "OTP",
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{
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},
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{
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"lessThan": "*",
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"versionType": "git"
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{
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"nodes": [
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{
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"versionEndExcluding": "27.3.4.17",
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{
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"criteria": "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*",
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{
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"criteria": "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*",
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"operator": "AND"
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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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"type": "finder",
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"value": "Lukas Backström / Erlang Solutions"
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},
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{
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"lang": "en",
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"type": "remediation developer",
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"value": "Konrad Pietrzak"
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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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},
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"value": "The mod_auth module in OTP's inets httpd server, when configured with dets or mnesia authentication backends and multiple directory configuration blocks, collapses all directory blocks into a single shared user/group namespace. A user added to one\nprotected directory is accepted as valid for all other protected directories on the same server instance.\n\nThis issue affects OTP from OTP 17.0 before OTP 27.3.4.17, OTP 28.5.0.6, and OTP 29.0.6, corresponding to inets from 5.10 before 9.3.2.7, 9.6.2.3, and 9.7.2. Whether OTP before OTP 17.0, corresponding to inets before 5.10, is affected is unknown."
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}
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"value": "The mod_auth module in OTP's inets httpd server, when configured with dets or mnesia authentication backends and multiple directory configuration blocks, collapses all directory blocks into a single shared user/group namespace. A user added to one protected directory is accepted as valid for all other protected directories on the same server instance.\n\nThis issue affects OTP from OTP 17.0 before OTP 27.3.4.17, OTP 28.5.0.6, and OTP 29.0.6, corresponding to inets from 5.10 before 9.3.2.7, 9.6.2.3, and 9.7.2. Whether OTP before OTP 17.0, corresponding to inets before 5.10, is affected is unknown."
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}
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"impacts": [
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{
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"capecId": "CAPEC-122",
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{
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"lang": "en",
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"value": "CAPEC-122 Privilege Abuse"
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}
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]
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},
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{
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"capecId": "CAPEC-114",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-114 Authentication Abuse"
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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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"cvssV4_0": {
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"Automatable": "NOT_DEFINED",
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"Recovery": "NOT_DEFINED",
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"Safety": "NOT_DEFINED",
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"attackComplexity": "LOW",
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"attackRequirements": "PRESENT",
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"attackVector": "NETWORK",
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"baseScore": 6,
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"baseSeverity": "MEDIUM",
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"privilegesRequired": "LOW",
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"providerUrgency": "NOT_DEFINED",
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"subAvailabilityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"userInteraction": "NONE",
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"valueDensity": "NOT_DEFINED",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
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"version": "4.0",
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"vulnConfidentialityImpact": "HIGH",
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"vulnIntegrityImpact": "NONE",
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"vulnerabilityResponseEffort": "NOT_DEFINED"
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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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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-863",
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"description": "CWE-863 Incorrect Authorization",
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"lang": "en",
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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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"descriptions": [
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{
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"cweId": "CWE-1289",
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"description": "CWE-1289 Improper Validation of Unsafe Equivalence in Input",
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"lang": "en",
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"type": "CWE"
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"dateUpdated": "2026-11-11T13:45:44.238Z"
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},
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"references": [
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{
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"tags": [
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"vendor-advisory"
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],
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"url": "https://github.com/erlang/otp/security/advisories/GHSA-c3cq-q8x6-547g"
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},
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{
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"name": "EEF CNA record for CVE-2026-74994",
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"tags": [
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"related"
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],
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"url": "https://cna.erlef.org/cves/CVE-2026-74994.html"
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},
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{
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"name": "OSV record EEF-CVE-2026-74994",
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"tags": [
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"related"
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],
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"url": "https://osv.dev/vulnerability/EEF-CVE-2026-74994"
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},
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{
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"name": "Erlang/OTP version ordering",
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"tags": [
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"x_version-scheme"
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],
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"url": "https://www.erlang.org/doc/system/versions.html#order-of-versions"
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},
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{
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"name": "Fix commit 6982e38 in erlang/otp",
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"tags": [
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"patch"
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"url": "https://github.com/erlang/otp/commit/6982e381137ede21a4e1faf5fa2dd82321691176"
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},
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{
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"name": "Fix commit c5ccec8 in erlang/otp",
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"tags": [
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"patch"
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],
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"url": "https://github.com/erlang/otp/commit/c5ccec8ed25c70ec6557fd81277e4b2f52285c19"
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},
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{
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"name": "Fix commit 6101cb7 in erlang/otp",
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"tags": [
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"patch"
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],
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"url": "https://github.com/erlang/otp/commit/6101cb74ff2870718c622ba7af0c100f7f2524e3"
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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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"title": "inets, httpd: Authentication Bypass via Directory Namespace Collapse in httpd mod_auth"
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},
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"adp": [
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{
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"metrics": [
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"content": {
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"timestamp": "2026-09-01T15:57:45.946562Z",
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"id": "CVE-2026-74994",
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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": "2026-09-01T15:57:51.022Z"
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}
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}
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} |